15624426864041 has 2 divisors, whose sum is σ = 15624426864042. Its totient is φ = 15624426864040.

The previous prime is 15624426863993. The next prime is 15624426864061. The reversal of 15624426864041 is 14046862442651.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12819471824041 + 2804955040000 = 3580429^2 + 1674800^2 .

It is a cyclic number.

It is not a de Polignac number, because 15624426864041 - 2⁶ = 15624426863977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (15624426864061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7812213432020 + 7812213432021.

It is an arithmetic number, because the mean of its divisors is an integer number (7812213432021).

Almost surely, 2^{15624426864041} is an apocalyptic number.

It is an amenable number.

15624426864041 is a deficient number, since it is larger than the sum of its proper divisors (1).

15624426864041 is an equidigital number, since it uses as much as digits as its factorization.

15624426864041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8847360, while the sum is 53.

The spelling of 15624426864041 in words is "fifteen trillion, six hundred twenty-four billion, four hundred twenty-six million, eight hundred sixty-four thousand, forty-one".