116511403 has 4 divisors (see below), whose sum is σ = 118421488. Its totient is φ = 114601320.

The previous prime is 116511397. The next prime is 116511419. The reversal of 116511403 is 304115611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304115611 = 31 ⋅9810181.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116511403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116511103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 954951 + ... + 955072.

It is an arithmetic number, because the mean of its divisors is an integer number (29605372).

Almost surely, 2^116511403 is an apocalyptic number.

116511403 is a deficient number, since it is larger than the sum of its proper divisors (1910085).

116511403 is an equidigital number, since it uses as much as digits as its factorization.

116511403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1910084.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 116511403 is about 10794.0447933108. The cubic root of 116511403 is about 488.4155442772.

The spelling of 116511403 in words is "one hundred sixteen million, five hundred eleven thousand, four hundred three".