11899913043968 has 34 divisors (see below), whose sum is σ = 23799644640744. Its totient is φ = 5949956489216.

The previous prime is 11899913043869. The next prime is 11899913044003. The reversal of 11899913043968 is 86934031999811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90723596 + ... + 90854667.

Almost surely, 2^{11899913043968} is an apocalyptic number.

It is an amenable number.

11899913043968 is a deficient number, since it is larger than the sum of its proper divisors (11899731596776).

11899913043968 is an frugal number, since it uses more digits than its factorization.

11899913043968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181578295 (or 181578265 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 71.

The spelling of 11899913043968 in words is "eleven trillion, eight hundred ninety-nine billion, nine hundred thirteen million, forty-three thousand, nine hundred sixty-eight".