116265212057 has 4 divisors (see below), whose sum is σ = 123104342196. Its totient is φ = 109426081920.

The previous prime is 116265212051. The next prime is 116265212117. The reversal of 116265212057 is 750212562611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750212562611 = 389 ⋅1928566999.

It can be written as a sum of positive squares in 2 ways, for example, as 54473692816 + 61791519241 = 233396^2 + 248579^2 .

It is a cyclic number.

It is not a de Polignac number, because 116265212057 - 2⁸ = 116265211801 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116265212057.

It is not an unprimeable number, because it can be changed into a prime (116265212051) 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, 3419565044 + ... + 3419565077.

It is an arithmetic number, because the mean of its divisors is an integer number (30776085549).

Almost surely, 2^116265212057 is an apocalyptic number.

116265212057 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

116265212057 is a deficient number, since it is larger than the sum of its proper divisors (6839130139).

116265212057 is an equidigital number, since it uses as much as digits as its factorization.

116265212057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6839130138.

The product of its (nonzero) digits is 50400, while the sum is 38.

Adding to 116265212057 its reverse (750212562611), we get a palindrome (866477774668).

The spelling of 116265212057 in words is "one hundred sixteen billion, two hundred sixty-five million, two hundred twelve thousand, fifty-seven".