11910954988 has 12 divisors (see below), whose sum is σ = 20845103440. Its totient is φ = 5955211152.

The previous prime is 11910954941. The next prime is 11910954997. The reversal of 11910954988 is 88945901911.

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, 61345 + ... + 166087.

Almost surely, 2^11910954988 is an apocalyptic number.

It is an amenable number.

11910954988 is a deficient number, since it is larger than the sum of its proper divisors (8934148452).

11910954988 is a wasteful number, since it uses less digits than its factorization.

11910954988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133176 (or 133174 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 55.

The spelling of 11910954988 in words is "eleven billion, nine hundred ten million, nine hundred fifty-four thousand, nine hundred eighty-eight".