131575554120 has 128 divisors (see below), whose sum is σ = 400418121600. Its totient is φ = 34582892544.

The previous prime is 131575554119. The next prime is 131575554161. The reversal of 131575554120 is 21455575131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4297426 + ... + 4327934.

It is an arithmetic number, because the mean of its divisors is an integer number (3128266575).

Almost surely, 2^131575554120 is an apocalyptic number.

131575554120 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 131575554120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200209060800).

131575554120 is an abundant number, since it is smaller than the sum of its proper divisors (268842567480).

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

131575554120 is a wasteful number, since it uses less digits than its factorization.

131575554120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31039 (or 31035 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 39.

The spelling of 131575554120 in words is "one hundred thirty-one billion, five hundred seventy-five million, five hundred fifty-four thousand, one hundred twenty".