11650012915 has 4 divisors (see below), whose sum is σ = 13980015504. Its totient is φ = 9320010328.

The previous prime is 11650012903. The next prime is 11650012949. The reversal of 11650012915 is 51921005611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51921005611 = 1721 ⋅30169091.

It is a cyclic number.

It is not a de Polignac number, because 11650012915 - 2¹⁷ = 11649881843 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165001287 + ... + 1165001296.

It is an arithmetic number, because the mean of its divisors is an integer number (3495003876).

Almost surely, 2^11650012915 is an apocalyptic number.

11650012915 is a deficient number, since it is larger than the sum of its proper divisors (2330002589).

11650012915 is an equidigital number, since it uses as much as digits as its factorization.

11650012915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2330002588.

The product of its (nonzero) digits is 2700, while the sum is 31.

The spelling of 11650012915 in words is "eleven billion, six hundred fifty million, twelve thousand, nine hundred fifteen".