155860204945536 has 2048 divisors, whose sum is σ = 613320744960000. Its totient is φ = 38296857231360.

The previous prime is 155860204945381. The next prime is 155860204945541. The reversal of 155860204945536 is 635549402068551.

155860204945536 is a `hidden beast` number, since 1 + 5 + 5 + 8 + 6 + 0 + 2 + 0 + 4 + 94 + 5 + 536 = 666.

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

It is an unprimeable number.

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 255 ways as a sum of consecutive naturals, for example, 29524567345 + ... + 29524572623.

It is an arithmetic number, because the mean of its divisors is an integer number (299473020000).

Almost surely, 2^{155860204945536} is an apocalyptic number.

155860204945536 is a gapful number since it is divisible by the number (16) 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 155860204945536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306660372480000).

155860204945536 is an abundant number, since it is smaller than the sum of its proper divisors (457460540014464).

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

155860204945536 is an equidigital number, since it uses as much as digits as its factorization.

155860204945536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5414 (or 5384 counting only the distinct ones).

The product of its (nonzero) digits is 155520000, while the sum is 63.

The spelling of 155860204945536 in words is "one hundred fifty-five trillion, eight hundred sixty billion, two hundred four million, nine hundred forty-five thousand, five hundred thirty-six".