115352391621 has 8 divisors (see below), whose sum is σ = 158764582144. Its totient is φ = 74420897760.

The previous prime is 115352391601. The next prime is 115352391653. The reversal of 115352391621 is 126193253511.

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

It is a de Polignac number, because none of the positive numbers 2^k-115352391621 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115352391621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115352391601) 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, 620174056 + ... + 620174241.

It is an arithmetic number, because the mean of its divisors is an integer number (19845572768).

Almost surely, 2^115352391621 is an apocalyptic number.

It is an amenable number.

115352391621 is a deficient number, since it is larger than the sum of its proper divisors (43412190523).

115352391621 is a wasteful number, since it uses less digits than its factorization.

115352391621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240348331.

The product of its digits is 48600, while the sum is 39.

The spelling of 115352391621 in words is "one hundred fifteen billion, three hundred fifty-two million, three hundred ninety-one thousand, six hundred twenty-one".