155856298131072 has 1024 divisors, whose sum is σ = 593552655360000. Its totient is φ = 39067796275200.

The previous prime is 155856298130999. The next prime is 155856298131073. The reversal of 155856298131072 is 270131892658551.

155856298131072 is a `hidden beast` number, since 1 + 5 + 58 + 562 + 9 + 8 + 1 + 3 + 10 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (155856298131073) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 24625735204 + ... + 24625741532.

It is an arithmetic number, because the mean of its divisors is an integer number (579641265000).

Almost surely, 2^{155856298131072} is an apocalyptic number.

155856298131072 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 155856298131072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296776327680000).

155856298131072 is an abundant number, since it is smaller than the sum of its proper divisors (437696357228928).

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

155856298131072 is a wasteful number, since it uses less digits than its factorization.

155856298131072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9590 (or 9572 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 63.

The spelling of 155856298131072 in words is "one hundred fifty-five trillion, eight hundred fifty-six billion, two hundred ninety-eight million, one hundred thirty-one thousand, seventy-two".