11199999999960 has 48 divisors (see below), whose sum is σ = 36400000001040. Its totient is φ = 2986666666560.

The previous prime is 11199999999959. The next prime is 11200000000003. The reversal of 11199999999960 is 6999999999111.

It is a Harshad number since it is a multiple of its sum of digits (90).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15555555196 + ... + 15555555915.

It is an arithmetic number, because the mean of its divisors is an integer number (758333333355).

Almost surely, 2^{11199999999960} is an apocalyptic number.

11199999999960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11199999999960 is an abundant number, since it is smaller than the sum of its proper divisors (25200000001080).

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

11199999999960 is a wasteful number, since it uses less digits than its factorization.

11199999999960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31111111128 (or 31111111121 counting only the distinct ones).

The product of its (nonzero) digits is 2324522934, while the sum is 90.

The spelling of 11199999999960 in words is "eleven trillion, one hundred ninety-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred sixty".