11111109999960 has 64 divisors (see below), whose sum is σ = 35294114124000. Its totient is φ = 2788670744576.

The previous prime is 11111109999959. The next prime is 11111109999991. The reversal of 11111109999960 is 6999990111111.

It is a super-2 number, since 2×11111109999960² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11111109999960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2723309235 + ... + 2723313314.

Almost surely, 2^{11111109999960} is an apocalyptic number.

11111109999960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11111109999960 is an abundant number, since it is smaller than the sum of its proper divisors (24183004124040).

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

11111109999960 is a wasteful number, since it uses less digits than its factorization.

11111109999960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5446622580 (or 5446622576 counting only the distinct ones).

The product of its (nonzero) digits is 354294, while the sum is 57.

The spelling of 11111109999960 in words is "eleven trillion, one hundred eleven billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred sixty".