2511551023 has 2 divisors, whose sum is σ = 2511551024. Its totient is φ = 2511551022.

The previous prime is 2511550991. The next prime is 2511551039. The reversal of 2511551023 is 3201551152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2511551023 - 2⁵ = 2511550991 is a prime.

It is a super-2 number, since 2×2511551023² = 12615777082264693058, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2511551323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255775511 + 1255775512.

It is an arithmetic number, because the mean of its divisors is an integer number (1255775512).

Almost surely, 2^2511551023 is an apocalyptic number.

2511551023 is a deficient number, since it is larger than the sum of its proper divisors (1).

2511551023 is an equidigital number, since it uses as much as digits as its factorization.

2511551023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 2511551023 is about 50115.3771112221. The cubic root of 2511551023 is about 1359.2958838972.

The spelling of 2511551023 in words is "two billion, five hundred eleven million, five hundred fifty-one thousand, twenty-three".