155156115000 has 80 divisors (see below), whose sum is σ = 484707750120. Its totient is φ = 41374960000.

The previous prime is 155156114963. The next prime is 155156115007. The reversal of 155156115000 is 511651551.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155156115007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 5156871 + ... + 5186870.

Almost surely, 2^155156115000 is an apocalyptic number.

155156115000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155156115000 is an abundant number, since it is smaller than the sum of its proper divisors (329551635120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155156115000 is a wasteful number, since it uses less digits than its factorization.

155156115000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10343770 (or 10343751 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

Adding to 155156115000 its reverse (511651551), we get a palindrome (155667766551).

The spelling of 155156115000 in words is "one hundred fifty-five billion, one hundred fifty-six million, one hundred fifteen thousand".