104918615 has 4 divisors (see below), whose sum is σ = 125902344. Its totient is φ = 83934888.

The previous prime is 104918599. The next prime is 104918621. The reversal of 104918615 is 516819401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 516819401 = 7 ⋅73831343.

It is a cyclic number.

It is not a de Polignac number, because 104918615 - 2⁴ = 104918599 is a prime.

It is a super-2 number, since 2×104918615² = 22015831547036450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10491857 + ... + 10491866.

It is an arithmetic number, because the mean of its divisors is an integer number (31475586).

Almost surely, 2^104918615 is an apocalyptic number.

104918615 is a deficient number, since it is larger than the sum of its proper divisors (20983729).

104918615 is an equidigital number, since it uses as much as digits as its factorization.

104918615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20983728.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 104918615 is about 10242.9788147784. The cubic root of 104918615 is about 471.6474777883.

The spelling of 104918615 in words is "one hundred four million, nine hundred eighteen thousand, six hundred fifteen".