2502157811 has 2 divisors, whose sum is σ = 2502157812. Its totient is φ = 2502157810.

The previous prime is 2502157793. The next prime is 2502157817. The reversal of 2502157811 is 1187512052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2502157811 - 2²⁶ = 2435048947 is a prime.

It is a super-2 number, since 2×2502157811² = 12521587422296623442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2502157817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251078905 + 1251078906.

It is an arithmetic number, because the mean of its divisors is an integer number (1251078906).

Almost surely, 2^2502157811 is an apocalyptic number.

2502157811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2502157811 is an equidigital number, since it uses as much as digits as its factorization.

2502157811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5600, while the sum is 32.

The square root of 2502157811 is about 50021.5734558600. The cubic root of 2502157811 is about 1357.5991760198.

Adding to 2502157811 its reverse (1187512052), we get a palindrome (3689669863).

The spelling of 2502157811 in words is "two billion, five hundred two million, one hundred fifty-seven thousand, eight hundred eleven".