116557013 has 2 divisors, whose sum is σ = 116557014. Its totient is φ = 116557012.

The previous prime is 116556989. The next prime is 116557027. The reversal of 116557013 is 310755611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110292004 + 6265009 = 10502^2 + 2503^2 .

It is an emirp because it is prime and its reverse (310755611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 116557013 - 2²² = 112362709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116527013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58278506 + 58278507.

It is an arithmetic number, because the mean of its divisors is an integer number (58278507).

Almost surely, 2^116557013 is an apocalyptic number.

It is an amenable number.

116557013 is a deficient number, since it is larger than the sum of its proper divisors (1).

116557013 is an equidigital number, since it uses as much as digits as its factorization.

116557013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3150, while the sum is 29.

The square root of 116557013 is about 10796.1573256414. The cubic root of 116557013 is about 488.4792683025.

The spelling of 116557013 in words is "one hundred sixteen million, five hundred fifty-seven thousand, thirteen".