11239735968 has 72 divisors (see below), whose sum is σ = 32994089856. Its totient is φ = 3625718400.

The previous prime is 11239735961. The next prime is 11239735973. The reversal of 11239735968 is 86953793211.

11239735968 is a `hidden beast` number, since 1 + 12 + 39 + 7 + 3 + 596 + 8 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (11239735961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620538 + ... + 638393.

It is an arithmetic number, because the mean of its divisors is an integer number (458251248).

Almost surely, 2^11239735968 is an apocalyptic number.

11239735968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11239735968 is an abundant number, since it is smaller than the sum of its proper divisors (21754353888).

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

11239735968 is a wasteful number, since it uses less digits than its factorization.

11239735968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258978 (or 1258967 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 54.

The spelling of 11239735968 in words is "eleven billion, two hundred thirty-nine million, seven hundred thirty-five thousand, nine hundred sixty-eight".