111699378560 has 1152 divisors, whose sum is σ = 383824465920. Its totient is φ = 30331699200.

The previous prime is 111699378481. The next prime is 111699378587. The reversal of 111699378560 is 65873996111.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a junction number, because it is equal to n+sod(n) for n = 111699378496 and 111699378505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 3603205745 + ... + 3603205775.

It is an arithmetic number, because the mean of its divisors is an integer number (333180960).

Almost surely, 2^111699378560 is an apocalyptic number.

111699378560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111699378560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191912232960).

111699378560 is an abundant number, since it is smaller than the sum of its proper divisors (272125087360).

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

111699378560 is a wasteful number, since it uses less digits than its factorization.

111699378560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 111699378560 in words is "one hundred eleven billion, six hundred ninety-nine million, three hundred seventy-eight thousand, five hundred sixty".