11650511667 has 8 divisors (see below), whose sum is σ = 16035112960. Its totient is φ = 7516459080.

The previous prime is 11650511657. The next prime is 11650511737. The reversal of 11650511667 is 76611505611.

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

It is not a de Polignac number, because 11650511667 - 2⁴ = 11650511651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11650511617) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 62637067 + ... + 62637252.

It is an arithmetic number, because the mean of its divisors is an integer number (2004389120).

Almost surely, 2^11650511667 is an apocalyptic number.

11650511667 is a deficient number, since it is larger than the sum of its proper divisors (4384601293).

11650511667 is a wasteful number, since it uses less digits than its factorization.

11650511667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125274353.

The product of its (nonzero) digits is 37800, while the sum is 39.

The spelling of 11650511667 in words is "eleven billion, six hundred fifty million, five hundred eleven thousand, six hundred sixty-seven".