10111999968 has 72 divisors (see below), whose sum is σ = 32864006448. Its totient is φ = 2889142272.

The previous prime is 10111999907. The next prime is 10111999981. The reversal of 10111999968 is 86999911101.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2505921 + ... + 2509952.

It is an arithmetic number, because the mean of its divisors is an integer number (456444534).

Almost surely, 2^10111999968 is an apocalyptic number.

10111999968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

10111999968 is an abundant number, since it is smaller than the sum of its proper divisors (22752006480).

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

10111999968 is a wasteful number, since it uses less digits than its factorization.

10111999968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015896 (or 5015885 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 54.

The spelling of 10111999968 in words is "ten billion, one hundred eleven million, nine hundred ninety-nine thousand, nine hundred sixty-eight".