22515010005127 has 2 divisors, whose sum is σ = 22515010005128. Its totient is φ = 22515010005126.

The previous prime is 22515010004957. The next prime is 22515010005139. The reversal of 22515010005127 is 72150001051522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22515010005127 - 2¹⁹ = 22515009480839 is a prime.

It is a super-2 number, since 2×22515010005127² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22515010005167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11257505002563 + 11257505002564.

It is an arithmetic number, because the mean of its divisors is an integer number (11257505002564).

Almost surely, 2^{22515010005127} is an apocalyptic number.

22515010005127 is a deficient number, since it is larger than the sum of its proper divisors (1).

22515010005127 is an equidigital number, since it uses as much as digits as its factorization.

22515010005127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7000, while the sum is 31.

Adding to 22515010005127 its reverse (72150001051522), we get a palindrome (94665011056649).

The spelling of 22515010005127 in words is "twenty-two trillion, five hundred fifteen billion, ten million, five thousand, one hundred twenty-seven".