22515002051 has 2 divisors, whose sum is σ = 22515002052. Its totient is φ = 22515002050.

The previous prime is 22515002021. The next prime is 22515002077. The reversal of 22515002051 is 15020051522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22515002051 - 2¹⁴ = 22514985667 is a prime.

It is not a weakly prime, because it can be changed into another prime (22515002021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257501025 + 11257501026.

It is an arithmetic number, because the mean of its divisors is an integer number (11257501026).

Almost surely, 2^22515002051 is an apocalyptic number.

22515002051 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515002051 is an equidigital number, since it uses as much as digits as its factorization.

22515002051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 22515002051 its reverse (15020051522), we get a palindrome (37535053573).

The spelling of 22515002051 in words is "twenty-two billion, five hundred fifteen million, two thousand, fifty-one".