53116618799 has 2 divisors, whose sum is σ = 53116618800. Its totient is φ = 53116618798.

The previous prime is 53116618787. The next prime is 53116618837. The reversal of 53116618799 is 99781661135.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53116618799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53116618759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26558309399 + 26558309400.

It is an arithmetic number, because the mean of its divisors is an integer number (26558309400).

Almost surely, 2^53116618799 is an apocalyptic number.

53116618799 is a deficient number, since it is larger than the sum of its proper divisors (1).

53116618799 is an equidigital number, since it uses as much as digits as its factorization.

53116618799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 56.

The spelling of 53116618799 in words is "fifty-three billion, one hundred sixteen million, six hundred eighteen thousand, seven hundred ninety-nine".