116511563 has 6 divisors (see below), whose sum is σ = 135533916. Its totient is φ = 99867012.

The previous prime is 116511559. The next prime is 116511587. The reversal of 116511563 is 365115611.

It is not a de Polignac number, because 116511563 - 2² = 116511559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116511503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1188845 + ... + 1188942.

It is an arithmetic number, because the mean of its divisors is an integer number (22588986).

Almost surely, 2^116511563 is an apocalyptic number.

116511563 is a deficient number, since it is larger than the sum of its proper divisors (19022353).

116511563 is an equidigital number, since it uses as much as digits as its factorization.

116511563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377801 (or 2377794 counting only the distinct ones).

The product of its digits is 2700, while the sum is 29.

The square root of 116511563 is about 10794.0522048024. The cubic root of 116511563 is about 488.4157678503.

The spelling of 116511563 in words is "one hundred sixteen million, five hundred eleven thousand, five hundred sixty-three".