116051261 has 4 divisors (see below), whose sum is σ = 121096992. Its totient is φ = 111005532.

The previous prime is 116051213. The next prime is 116051267. The reversal of 116051261 is 162150611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116051261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 5045707 = 116051261 / (1 + 1 + 6 + 0 + 5 + 1 + 2 + 6 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116051267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522831 + ... + 2522876.

It is an arithmetic number, because the mean of its divisors is an integer number (30274248).

Almost surely, 2^116051261 is an apocalyptic number.

It is an amenable number.

116051261 is a deficient number, since it is larger than the sum of its proper divisors (5045731).

116051261 is an equidigital number, since it uses as much as digits as its factorization.

116051261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045730.

The product of its (nonzero) digits is 360, while the sum is 23.

The square root of 116051261 is about 10772.7090836057. The cubic root of 116051261 is about 487.7717245635.

The spelling of 116051261 in words is "one hundred sixteen million, fifty-one thousand, two hundred sixty-one".