111725560 has 32 divisors (see below), whose sum is σ = 251697600. Its totient is φ = 44634240.

The previous prime is 111725557. The next prime is 111725563. The reversal of 111725560 is 65527111.

It is an interprime number because it is at equal distance from previous prime (111725557) and next prime (111725563).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111725563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48106 + ... + 50374.

It is an arithmetic number, because the mean of its divisors is an integer number (7865550).

Almost surely, 2^111725560 is an apocalyptic number.

111725560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111725560 is an abundant number, since it is smaller than the sum of its proper divisors (139972040).

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

111725560 is a wasteful number, since it uses less digits than its factorization.

111725560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511 (or 3507 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 111725560 is about 10570.0312203891. The cubic root of 111725560 is about 481.6344168625.

The spelling of 111725560 in words is "one hundred eleven million, seven hundred twenty-five thousand, five hundred sixty".