12055991576 has 8 divisors (see below), whose sum is σ = 22604984220. Its totient is φ = 6027995784.

The previous prime is 12055991527. The next prime is 12055991593. The reversal of 12055991576 is 67519955021.

It is a tau number, because it is divible by the number of its divisors (8).

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, 753499466 + ... + 753499481.

Almost surely, 2^12055991576 is an apocalyptic number.

It is an amenable number.

12055991576 is a deficient number, since it is larger than the sum of its proper divisors (10548992644).

12055991576 is a wasteful number, since it uses less digits than its factorization.

12055991576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506998953 (or 1506998949 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 50.

The spelling of 12055991576 in words is "twelve billion, fifty-five million, nine hundred ninety-one thousand, five hundred seventy-six".