115900006321 has 8 divisors (see below), whose sum is σ = 126475301088. Its totient is φ = 105331200000.

The previous prime is 115900006319. The next prime is 115900006379. The reversal of 115900006321 is 123600009511.

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 115900006321 - 2¹ = 115900006319 is a prime.

It is a super-2 number, since 2×115900006321² (a number of 23 digits) contains 22 as substring.

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 115900006321.

It is not an unprimeable number, because it can be changed into a prime (115900006301) 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, 1584720 + ... + 1656241.

It is an arithmetic number, because the mean of its divisors is an integer number (15809412636).

Almost surely, 2^115900006321 is an apocalyptic number.

115900006321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115900006321 is a deficient number, since it is larger than the sum of its proper divisors (10575294767).

115900006321 is a wasteful number, since it uses less digits than its factorization.

115900006321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3244223.

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 115900006321 in words is "one hundred fifteen billion, nine hundred million, six thousand, three hundred twenty-one".