155114330531 has 4 divisors (see below), whose sum is σ = 155690964000. Its totient is φ = 154537697064.

The previous prime is 155114330479. The next prime is 155114330537. The reversal of 155114330531 is 135033411551.

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

It is a cyclic number.

It is not a de Polignac number, because 155114330531 - 2³⁴ = 137934461347 is a prime.

It is a super-3 number, since 3×155114330531³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155114330537) 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, 288316331 + ... + 288316868.

It is an arithmetic number, because the mean of its divisors is an integer number (38922741000).

Almost surely, 2^155114330531 is an apocalyptic number.

155114330531 is a deficient number, since it is larger than the sum of its proper divisors (576633469).

155114330531 is an equidigital number, since it uses as much as digits as its factorization.

155114330531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576633468.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 155114330531 in words is "one hundred fifty-five billion, one hundred fourteen million, three hundred thirty thousand, five hundred thirty-one".