155113112000 has 896 divisors, whose sum is σ = 522656409600. Its totient is φ = 44126208000.

The previous prime is 155113111921. The next prime is 155113112039. The reversal of 155113112000 is 211311551.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 339415772 + ... + 339416228.

Almost surely, 2^155113112000 is an apocalyptic number.

155113112000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155113112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261328204800).

155113112000 is an abundant number, since it is smaller than the sum of its proper divisors (367543297600).

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

155113112000 is a wasteful number, since it uses less digits than its factorization.

155113112000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 530 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 155113112000 its reverse (211311551), we get a palindrome (155324423551).

The spelling of 155113112000 in words is "one hundred fifty-five billion, one hundred thirteen million, one hundred twelve thousand".