116531032421 has 16 divisors (see below), whose sum is σ = 128811129984. Its totient is φ = 104858248704.

The previous prime is 116531032417. The next prime is 116531032463. The reversal of 116531032421 is 124230135611.

It is a cyclic number.

It is not a de Polignac number, because 116531032421 - 2² = 116531032417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116531032621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 772610 + ... + 911036.

It is an arithmetic number, because the mean of its divisors is an integer number (8050695624).

Almost surely, 2^116531032421 is an apocalyptic number.

It is an amenable number.

116531032421 is a deficient number, since it is larger than the sum of its proper divisors (12280097563).

116531032421 is a wasteful number, since it uses less digits than its factorization.

116531032421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140620.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 116531032421 in words is "one hundred sixteen billion, five hundred thirty-one million, thirty-two thousand, four hundred twenty-one".