11552510665 has 8 divisors (see below), whose sum is σ = 13879081728. Its totient is φ = 9231295920.

The previous prime is 11552510657. The next prime is 11552510693. The reversal of 11552510665 is 56601525511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11552510665 - 2³ = 11552510657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1334331 + ... + 1342960.

It is an arithmetic number, because the mean of its divisors is an integer number (1734885216).

Almost surely, 2^11552510665 is an apocalyptic number.

It is an amenable number.

11552510665 is a deficient number, since it is larger than the sum of its proper divisors (2326571063).

11552510665 is an equidigital number, since it uses as much as digits as its factorization.

11552510665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2678159.

The product of its (nonzero) digits is 45000, while the sum is 37.

The spelling of 11552510665 in words is "eleven billion, five hundred fifty-two million, five hundred ten thousand, six hundred sixty-five".