111315232560 has 480 divisors, whose sum is σ = 420266672640. Its totient is φ = 24256167936.

The previous prime is 111315232519. The next prime is 111315232573. The reversal of 111315232560 is 65232513111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 119822176 + ... + 119823104.

It is an arithmetic number, because the mean of its divisors is an integer number (875555568).

Almost surely, 2^111315232560 is an apocalyptic number.

111315232560 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 111315232560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (210133336320).

111315232560 is an abundant number, since it is smaller than the sum of its proper divisors (308951440080).

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

111315232560 is a wasteful number, since it uses less digits than its factorization.

111315232560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

Adding to 111315232560 its reverse (65232513111), we get a palindrome (176547745671).

The spelling of 111315232560 in words is "one hundred eleven billion, three hundred fifteen million, two hundred thirty-two thousand, five hundred sixty".