131155150855680 has 800 divisors, whose sum is σ = 537061084908480. Its totient is φ = 29967335424000.

The previous prime is 131155150855567. The next prime is 131155150855681. The reversal of 131155150855680 is 86558051551131.

It is a happy number.

131155150855680 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 5 + 5 + 1 + 5 + 0 + 8 + 556 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131155150855681) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4355996466 + ... + 4356026574.

Almost surely, 2^{131155150855680} is an apocalyptic number.

131155150855680 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 131155150855680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268530542454240).

131155150855680 is an abundant number, since it is smaller than the sum of its proper divisors (405905934052800).

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

131155150855680 is an equidigital number, since it uses as much as digits as its factorization.

131155150855680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33152 (or 33127 counting only the distinct ones).

The product of its (nonzero) digits is 3600000, while the sum is 54.

The spelling of 131155150855680 in words is "one hundred thirty-one trillion, one hundred fifty-five billion, one hundred fifty million, eight hundred fifty-five thousand, six hundred eighty".