11662005508 has 24 divisors (see below), whose sum is σ = 21662948664. Its totient is φ = 5474304000.

The previous prime is 11662005503. The next prime is 11662005527. The reversal of 11662005508 is 80550026611.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6390083844 + 5271921664 = 79938^2 + 72608^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (11662005503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186573 + ... + 241108.

It is an arithmetic number, because the mean of its divisors is an integer number (902622861).

Almost surely, 2^11662005508 is an apocalyptic number.

It is an amenable number.

11662005508 is a deficient number, since it is larger than the sum of its proper divisors (10000943156).

11662005508 is a wasteful number, since it uses less digits than its factorization.

11662005508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428103 (or 428101 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The spelling of 11662005508 in words is "eleven billion, six hundred sixty-two million, five thousand, five hundred eight".