64400012410115 has 16 divisors (see below), whose sum is σ = 80177857309440. Its totient is φ = 49604987429760.

The previous prime is 64400012410093. The next prime is 64400012410117. The reversal of 64400012410115 is 51101421000446.

It is not a de Polignac number, because 64400012410115 - 2¹² = 64400012406019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64400012410117) 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, 1054497260 + ... + 1054558329.

It is an arithmetic number, because the mean of its divisors is an integer number (5011116081840).

Almost surely, 2^{64400012410115} is an apocalyptic number.

64400012410115 is a deficient number, since it is larger than the sum of its proper divisors (15777844899325).

64400012410115 is a wasteful number, since it uses less digits than its factorization.

64400012410115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109055822.

The product of its (nonzero) digits is 3840, while the sum is 29.

The spelling of 64400012410115 in words is "sixty-four trillion, four hundred billion, twelve million, four hundred ten thousand, one hundred fifteen".