2502775258891 has 2 divisors, whose sum is σ = 2502775258892. Its totient is φ = 2502775258890.

The previous prime is 2502775258861. The next prime is 2502775258909. The reversal of 2502775258891 is 1988525772052.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2502775258891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2502775258861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251387629445 + 1251387629446.

It is an arithmetic number, because the mean of its divisors is an integer number (1251387629446).

Almost surely, 2^{2502775258891} is an apocalyptic number.

2502775258891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502775258891 is an equidigital number, since it uses as much as digits as its factorization.

2502775258891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224000, while the sum is 61.

The spelling of 2502775258891 in words is "two trillion, five hundred two billion, seven hundred seventy-five million, two hundred fifty-eight thousand, eight hundred ninety-one".