111101606560 has 96 divisors (see below), whose sum is σ = 304199546112. Its totient is φ = 37555445760.

The previous prime is 111101606533. The next prime is 111101606587. The reversal of 111101606560 is 65606101111.

It is an interprime number because it is at equal distance from previous prime (111101606533) and next prime (111101606587).

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 619057 + ... + 778096.

It is an arithmetic number, because the mean of its divisors is an integer number (3168745272).

Almost surely, 2^111101606560 is an apocalyptic number.

111101606560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101606560 is an abundant number, since it is smaller than the sum of its proper divisors (193097939552).

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

111101606560 is a wasteful number, since it uses less digits than its factorization.

111101606560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397246 (or 1397238 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

Adding to 111101606560 its reverse (65606101111), we get a palindrome (176707707671).

The spelling of 111101606560 in words is "one hundred eleven billion, one hundred one million, six hundred six thousand, five hundred sixty".