11969639296 has 32 divisors (see below), whose sum is σ = 23875888680. Its totient is φ = 5977259520.

The previous prime is 11969639287. The next prime is 11969639317. The reversal of 11969639296 is 69293696911.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43351 + ... + 160681.

Almost surely, 2^11969639296 is an apocalyptic number.

11969639296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11969639296 is a deficient number, since it is larger than the sum of its proper divisors (11906249384).

11969639296 is an equidigital number, since it uses as much as digits as its factorization.

11969639296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118142 (or 118130 counting only the distinct ones).

The product of its digits is 8503056, while the sum is 61.

The spelling of 11969639296 in words is "eleven billion, nine hundred sixty-nine million, six hundred thirty-nine thousand, two hundred ninety-six".