11749635556 has 24 divisors (see below), whose sum is σ = 20960119040. Its totient is φ = 5762016000.

The previous prime is 11749635539. The next prime is 11749635559. The reversal of 11749635556 is 65553694711.

It is not an unprimeable number, because it can be changed into a prime (11749635559) 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, 75405 + ... + 170836.

Almost surely, 2^11749635556 is an apocalyptic number.

It is an amenable number.

11749635556 is a deficient number, since it is larger than the sum of its proper divisors (9210483484).

11749635556 is a wasteful number, since it uses less digits than its factorization.

11749635556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246475 (or 246473 counting only the distinct ones).

The product of its digits is 3402000, while the sum is 52.

The spelling of 11749635556 in words is "eleven billion, seven hundred forty-nine million, six hundred thirty-five thousand, five hundred fifty-six".