131591522880 has 672 divisors, whose sum is σ = 497037116160. Its totient is φ = 31848284160.

The previous prime is 131591522849. The next prime is 131591522891. The reversal of 131591522880 is 88225195131.

131591522880 is a `hidden beast` number, since 1 + 3 + 1 + 591 + 52 + 2 + 8 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117177999 + ... + 117179121.

Almost surely, 2^131591522880 is an apocalyptic number.

131591522880 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 131591522880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248518558080).

131591522880 is an abundant number, since it is smaller than the sum of its proper divisors (365445593280).

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

131591522880 is a wasteful number, since it uses less digits than its factorization.

131591522880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259 (or 1246 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 131591522880 in words is "one hundred thirty-one billion, five hundred ninety-one million, five hundred twenty-two thousand, eight hundred eighty".