155005455633329 has 8 divisors (see below), whose sum is σ = 177149866763328. Its totient is φ = 132861238156080.

The previous prime is 155005455633307. The next prime is 155005455633331. The reversal of 155005455633329 is 923336554500551.

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

It is not a de Polignac number, because 155005455633329 - 2¹⁶ = 155005455567793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155005455633389) 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, 46693907 + ... + 49903224.

It is an arithmetic number, because the mean of its divisors is an integer number (22143733345416).

Almost surely, 2^{155005455633329} is an apocalyptic number.

It is an amenable number.

155005455633329 is a deficient number, since it is larger than the sum of its proper divisors (22144411129999).

155005455633329 is an equidigital number, since it uses as much as digits as its factorization.

155005455633329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96826375.

The product of its (nonzero) digits is 36450000, while the sum is 56.

The spelling of 155005455633329 in words is "one hundred fifty-five trillion, five billion, four hundred fifty-five million, six hundred thirty-three thousand, three hundred twenty-nine".