11664657315 has 48 divisors (see below), whose sum is σ = 21027752928. Its totient is φ = 6203298816.

The previous prime is 11664657313. The next prime is 11664657377. The reversal of 11664657315 is 51375646611.

11664657315 is a `hidden beast` number, since 1 + 1 + 6 + 64 + 6 + 573 + 15 = 666.

11664657315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11664657315 - 2¹ = 11664657313 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11664657313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415297 + ... + 442493.

It is an arithmetic number, because the mean of its divisors is an integer number (438078186).

Almost surely, 2^11664657315 is an apocalyptic number.

11664657315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11664657315 is a deficient number, since it is larger than the sum of its proper divisors (9363095613).

11664657315 is an equidigital number, since it uses as much as digits as its factorization.

11664657315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570 (or 27558 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The spelling of 11664657315 in words is "eleven billion, six hundred sixty-four million, six hundred fifty-seven thousand, three hundred fifteen".