116613561265 has 8 divisors (see below), whose sum is σ = 144761662440. Its totient is φ = 90073923072.

The previous prime is 116613561193. The next prime is 116613561293. The reversal of 116613561265 is 562165316611.

It can be written as a sum of positive squares in 4 ways, for example, as 42123868081 + 74489693184 = 205241^2 + 272928^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116613561265 - 2⁹ = 116613560753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402115584 + ... + 402115873.

It is an arithmetic number, because the mean of its divisors is an integer number (18095207805).

Almost surely, 2^116613561265 is an apocalyptic number.

It is an amenable number.

116613561265 is a deficient number, since it is larger than the sum of its proper divisors (28148101175).

116613561265 is an equidigital number, since it uses as much as digits as its factorization.

116613561265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804231491.

The product of its digits is 194400, while the sum is 43.

Adding to 116613561265 its reverse (562165316611), we get a palindrome (678778877876).

The spelling of 116613561265 in words is "one hundred sixteen billion, six hundred thirteen million, five hundred sixty-one thousand, two hundred sixty-five".