155838606053 has 4 divisors (see below), whose sum is σ = 167826191148. Its totient is φ = 143851020960.

The previous prime is 155838606023. The next prime is 155838606071. The reversal of 155838606053 is 350606838551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95148805444 + 60689800609 = 308462^2 + 246353^2 .

It is a cyclic number.

It is not a de Polignac number, because 155838606053 - 2¹² = 155838601957 is a prime.

It is a super-2 number, since 2×155838606053² (a number of 23 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 = 155838605992 and 155838606010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155838606023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5993792528 + ... + 5993792553.

It is an arithmetic number, because the mean of its divisors is an integer number (41956547787).

Almost surely, 2^155838606053 is an apocalyptic number.

155838606053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

155838606053 is a deficient number, since it is larger than the sum of its proper divisors (11987585095).

155838606053 is a wasteful number, since it uses less digits than its factorization.

155838606053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11987585094.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 155838606053 in words is "one hundred fifty-five billion, eight hundred thirty-eight million, six hundred six thousand, fifty-three".