11661937496 has 48 divisors (see below), whose sum is σ = 25175580840. Its totient is φ = 5021873280.

The previous prime is 11661937481. The next prime is 11661937519. The reversal of 11661937496 is 69473916611.

11661937496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11661937496² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151781 + ... + 215316.

Almost surely, 2^11661937496 is an apocalyptic number.

It is an amenable number.

11661937496 is an abundant number, since it is smaller than the sum of its proper divisors (13513643344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11661937496 is a wasteful number, since it uses less digits than its factorization.

11661937496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367152 (or 367129 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The spelling of 11661937496 in words is "eleven billion, six hundred sixty-one million, nine hundred thirty-seven thousand, four hundred ninety-six".