131121151502432 has 48 divisors (see below), whose sum is σ = 317716636339872. Its totient is φ = 51872103889920.

The previous prime is 131121151502387. The next prime is 131121151502477. The reversal of 131121151502432 is 234205151121131.

It is an interprime number because it is at equal distance from previous prime (131121151502387) and next prime (131121151502477).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22513931069 + ... + 22513936892.

It is an arithmetic number, because the mean of its divisors is an integer number (6619096590414).

Almost surely, 2^{131121151502432} is an apocalyptic number.

It is an amenable number.

131121151502432 is an abundant number, since it is smaller than the sum of its proper divisors (186595484837440).

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

131121151502432 is a wasteful number, since it uses less digits than its factorization.

131121151502432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45027867991 (or 45027867983 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 131121151502432 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-one million, five hundred two thousand, four hundred thirty-two".