11199999960 has 96 divisors (see below), whose sum is σ = 37982636640. Its totient is φ = 2856809472.

The previous prime is 11199999953. The next prime is 11200000043. The reversal of 11199999960 is 6999999111.

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 23 ways as a sum of consecutive naturals, for example, 668049 + ... + 684608.

It is an arithmetic number, because the mean of its divisors is an integer number (395652465).

Almost surely, 2^11199999960 is an apocalyptic number.

11199999960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11199999960 is an abundant number, since it is smaller than the sum of its proper divisors (26782636680).

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

11199999960 is a wasteful number, since it uses less digits than its factorization.

11199999960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352697 (or 1352690 counting only the distinct ones).

The product of its (nonzero) digits is 3188646, while the sum is 63.

The spelling of 11199999960 in words is "eleven billion, one hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred sixty".