116511560 has 128 divisors (see below), whose sum is σ = 309484800. Its totient is φ = 39029760.

The previous prime is 116511559. The next prime is 116511587. The reversal of 116511560 is 65115611.

It is a super-2 number, since 2×116511560² = 27149887227267200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293282 + ... + 293678.

It is an arithmetic number, because the mean of its divisors is an integer number (2417850).

Almost surely, 2^116511560 is an apocalyptic number.

116511560 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 116511560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154742400).

116511560 is an abundant number, since it is smaller than the sum of its proper divisors (192973240).

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

116511560 is a wasteful number, since it uses less digits than its factorization.

116511560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 116511560 is about 10794.0520658370. The cubic root of 116511560 is about 488.4157636583.

It can be divided in two parts, 1 and 16511560, that added together give a palindrome (16511561).

The spelling of 116511560 in words is "one hundred sixteen million, five hundred eleven thousand, five hundred sixty".