155005455633353 has 8 divisors (see below), whose sum is σ = 166930255900296. Its totient is φ = 143080841606400.

The previous prime is 155005455633331. The next prime is 155005455633389. The reversal of 155005455633353 is 353336554500551.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2967998492944 + 152037457140409 = 1722788^2 + 12330347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 155005455633353 - 2¹⁶ = 155005455567817 is a prime.

It is a super-2 number, since 2×155005455633353² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 155005455633295 and 155005455633304.

It is not an unprimeable number, because it can be changed into a prime (155005455633953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44829008 + ... + 48162753.

It is an arithmetic number, because the mean of its divisors is an integer number (20866281987537).

Almost surely, 2^{155005455633353} is an apocalyptic number.

155005455633353 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155005455633353 is a deficient number, since it is larger than the sum of its proper divisors (11924800266943).

155005455633353 is a wasteful number, since it uses less digits than its factorization.

155005455633353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93119995.

The product of its (nonzero) digits is 30375000, while the sum is 53.

The spelling of 155005455633353 in words is "one hundred fifty-five trillion, five billion, four hundred fifty-five million, six hundred thirty-three thousand, three hundred fifty-three".