115592407921 has 8 divisors (see below), whose sum is σ = 118912129280. Its totient is φ = 112282981488.

The previous prime is 115592407907. The next prime is 115592407949. The reversal of 115592407921 is 129704295511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115592407921 - 2²¹ = 115590310769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115592407961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2550951 + ... + 2595868.

It is an arithmetic number, because the mean of its divisors is an integer number (14864016160).

Almost surely, 2^115592407921 is an apocalyptic number.

It is an amenable number.

115592407921 is a deficient number, since it is larger than the sum of its proper divisors (3319721359).

115592407921 is an equidigital number, since it uses as much as digits as its factorization.

115592407921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5147463.

The product of its (nonzero) digits is 226800, while the sum is 46.

The spelling of 115592407921 in words is "one hundred fifteen billion, five hundred ninety-two million, four hundred seven thousand, nine hundred twenty-one".