2551095117899 has 2 divisors, whose sum is σ = 2551095117900. Its totient is φ = 2551095117898.

The previous prime is 2551095117887. The next prime is 2551095117913. The reversal of 2551095117899 is 9987115901552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2551095117899 - 2⁸ = 2551095117643 is a prime.

It is a super-2 number, since 2×2551095117899² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2551095117859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1275547558949 + 1275547558950.

It is an arithmetic number, because the mean of its divisors is an integer number (1275547558950).

Almost surely, 2^{2551095117899} is an apocalyptic number.

2551095117899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2551095117899 is an equidigital number, since it uses as much as digits as its factorization.

2551095117899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206000, while the sum is 62.

The spelling of 2551095117899 in words is "two trillion, five hundred fifty-one billion, ninety-five million, one hundred seventeen thousand, eight hundred ninety-nine".