104040312015 has 16 divisors (see below), whose sum is σ = 169605340128. Its totient is φ = 54441219456.

The previous prime is 104040312011. The next prime is 104040312029. The reversal of 104040312015 is 510213040401.

It is not a de Polignac number, because 104040312015 - 2² = 104040312011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 104040311982 and 104040312000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104040312011) 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, 65433364 + ... + 65434953.

It is an arithmetic number, because the mean of its divisors is an integer number (10600333758).

Almost surely, 2^104040312015 is an apocalyptic number.

104040312015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104040312015 is a deficient number, since it is larger than the sum of its proper divisors (65565028113).

104040312015 is a wasteful number, since it uses less digits than its factorization.

104040312015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130868378.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 104040312015 its reverse (510213040401), we get a palindrome (614253352416).

The spelling of 104040312015 in words is "one hundred four billion, forty million, three hundred twelve thousand, fifteen".