155413158912 has 198 divisors, whose sum is σ = 493260005784. Its totient is φ = 47094558720.

The previous prime is 155413158871. The next prime is 155413158913. The reversal of 155413158912 is 219851314551.

155413158912 is a `hidden beast` number, since 1 + 5 + 54 + 1 + 3 + 1 + 589 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (198).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155413158913) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1045453 + ... + 1184819.

Almost surely, 2^155413158912 is an apocalyptic number.

155413158912 is a gapful number since it is divisible by the number (12) 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 155413158912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246630002892).

155413158912 is an abundant number, since it is smaller than the sum of its proper divisors (337846846872).

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

155413158912 is a wasteful number, since it uses less digits than its factorization.

155413158912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139415 (or 139383 counting only the distinct ones).

The product of its digits is 216000, while the sum is 45.

The spelling of 155413158912 in words is "one hundred fifty-five billion, four hundred thirteen million, one hundred fifty-eight thousand, nine hundred twelve".