10915973617 has 4 divisors (see below), whose sum is σ = 10942026480. Its totient is φ = 10889920756.

The previous prime is 10915973609. The next prime is 10915973639. The reversal of 10915973617 is 71637951901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10915973617 - 2³ = 10915973609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10915971617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13025803 + ... + 13026640.

It is an arithmetic number, because the mean of its divisors is an integer number (2735506620).

Almost surely, 2^10915973617 is an apocalyptic number.

It is an amenable number.

10915973617 is a deficient number, since it is larger than the sum of its proper divisors (26052863).

10915973617 is an equidigital number, since it uses as much as digits as its factorization.

10915973617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26052862.

The product of its (nonzero) digits is 357210, while the sum is 49.

The spelling of 10915973617 in words is "ten billion, nine hundred fifteen million, nine hundred seventy-three thousand, six hundred seventeen".