104115138861 has 32 divisors (see below), whose sum is σ = 148224135168. Its totient is φ = 64777466880.

The previous prime is 104115138851. The next prime is 104115138893. The reversal of 104115138861 is 168831511401.

It is a happy number.

It is not a de Polignac number, because 104115138861 - 2⁶ = 104115138797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104115138851) 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, 16973151 + ... + 16979283.

It is an arithmetic number, because the mean of its divisors is an integer number (4632004224).

Almost surely, 2^104115138861 is an apocalyptic number.

It is an amenable number.

104115138861 is a deficient number, since it is larger than the sum of its proper divisors (44108996307).

104115138861 is a wasteful number, since it uses less digits than its factorization.

104115138861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8901.

The product of its (nonzero) digits is 23040, while the sum is 39.

The spelling of 104115138861 in words is "one hundred four billion, one hundred fifteen million, one hundred thirty-eight thousand, eight hundred sixty-one".