104644645015 has 16 divisors (see below), whose sum is σ = 133072087680. Its totient is φ = 78857524480.

The previous prime is 104644644997. The next prime is 104644645019. The reversal of 104644645015 is 510546446401.

It is a happy number.

It is not a de Polignac number, because 104644645015 - 2⁵ = 104644644983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104644645019) 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, 8795119 + ... + 8807008.

It is an arithmetic number, because the mean of its divisors is an integer number (8317005480).

Almost surely, 2^104644645015 is an apocalyptic number.

104644645015 is a deficient number, since it is larger than the sum of its proper divisors (28427442665).

104644645015 is a wasteful number, since it uses less digits than its factorization.

104644645015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602202.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 104644645015 in words is "one hundred four billion, six hundred forty-four million, six hundred forty-five thousand, fifteen".