116815224261 has 16 divisors (see below), whose sum is σ = 156053586240. Its totient is φ = 77726987520.

The previous prime is 116815224257. The next prime is 116815224269. The reversal of 116815224261 is 162422518611.

It is a happy number.

It is not a de Polignac number, because 116815224261 - 2² = 116815224257 is a prime.

It is a super-2 number, since 2×116815224261² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116815224269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3323821 + ... + 3358781.

It is an arithmetic number, because the mean of its divisors is an integer number (9753349140).

Almost surely, 2^116815224261 is an apocalyptic number.

It is an amenable number.

116815224261 is a deficient number, since it is larger than the sum of its proper divisors (39238361979).

116815224261 is a wasteful number, since it uses less digits than its factorization.

116815224261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37076.

The product of its digits is 46080, while the sum is 39.

The spelling of 116815224261 in words is "one hundred sixteen billion, eight hundred fifteen million, two hundred twenty-four thousand, two hundred sixty-one".