11663603134 has 32 divisors (see below), whose sum is σ = 18777139200. Its totient is φ = 5414048640.

The previous prime is 11663603059. The next prime is 11663603167. The reversal of 11663603134 is 43130636611.

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

It is a self number, because there is not a number n which added to its sum of digits gives 11663603134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5045839 + ... + 5048149.

It is an arithmetic number, because the mean of its divisors is an integer number (586785600).

Almost surely, 2^11663603134 is an apocalyptic number.

11663603134 is a deficient number, since it is larger than the sum of its proper divisors (7113536066).

11663603134 is a wasteful number, since it uses less digits than its factorization.

11663603134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288.

The product of its (nonzero) digits is 23328, while the sum is 34.

The spelling of 11663603134 in words is "eleven billion, six hundred sixty-three million, six hundred three thousand, one hundred thirty-four".