116251006464577 has 4 divisors (see below), whose sum is σ = 116683166340180. Its totient is φ = 115818846588976.

The previous prime is 116251006464563. The next prime is 116251006464727. The reversal of 116251006464577 is 775464600152611.

It is a Cunningham number, because it is equal to 10781976²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7648742484496 + 108602263980081 = 2765636^2 + 10421241^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-116251006464577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116251006414577) 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, 216079937398 + ... + 216079937935.

It is an arithmetic number, because the mean of its divisors is an integer number (29170791585045).

Almost surely, 2^{116251006464577} is an apocalyptic number.

It is an amenable number.

116251006464577 is a deficient number, since it is larger than the sum of its proper divisors (432159875603).

116251006464577 is an equidigital number, since it uses as much as digits as its factorization.

116251006464577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432159875602.

The product of its (nonzero) digits is 8467200, while the sum is 55.

The spelling of 116251006464577 in words is "one hundred sixteen trillion, two hundred fifty-one billion, six million, four hundred sixty-four thousand, five hundred seventy-seven".