115451334021 has 32 divisors (see below), whose sum is σ = 158129418240. Its totient is φ = 74895912000.

The previous prime is 115451333999. The next prime is 115451334023. The reversal of 115451334021 is 120433154511.

It is not a de Polignac number, because 115451334021 - 2⁶ = 115451333957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115451334021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115451334023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16586740 + ... + 16593698.

It is an arithmetic number, because the mean of its divisors is an integer number (4941544320).

Almost surely, 2^115451334021 is an apocalyptic number.

It is an amenable number.

115451334021 is a deficient number, since it is larger than the sum of its proper divisors (42678084219).

115451334021 is a wasteful number, since it uses less digits than its factorization.

115451334021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7857.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 115451334021 its reverse (120433154511), we get a palindrome (235884488532).

The spelling of 115451334021 in words is "one hundred fifteen billion, four hundred fifty-one million, three hundred thirty-four thousand, twenty-one".