2451115559 has 2 divisors, whose sum is σ = 2451115560. Its totient is φ = 2451115558.

The previous prime is 2451115549. The next prime is 2451115561. The reversal of 2451115559 is 9555111542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2451115559 - 2²⁴ = 2434338343 is a prime.

Together with 2451115561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2451115519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225557779 + 1225557780.

It is an arithmetic number, because the mean of its divisors is an integer number (1225557780).

Almost surely, 2^2451115559 is an apocalyptic number.

2451115559 is a deficient number, since it is larger than the sum of its proper divisors (1).

2451115559 is an equidigital number, since it uses as much as digits as its factorization.

2451115559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 38.

The square root of 2451115559 is about 49508.7422482131. The cubic root of 2451115559 is about 1348.3043290188.

The spelling of 2451115559 in words is "two billion, four hundred fifty-one million, one hundred fifteen thousand, five hundred fifty-nine".