15522052961 has 2 divisors, whose sum is σ = 15522052962. Its totient is φ = 15522052960.

The previous prime is 15522052951. The next prime is 15522052967. The reversal of 15522052961 is 16925022551.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14650681600 + 871371361 = 121040^2 + 29519^2 .

It is a cyclic number.

It is not a de Polignac number, because 15522052961 - 2¹⁴ = 15522036577 is a prime.

It is not a weakly prime, because it can be changed into another prime (15522052967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7761026480 + 7761026481.

It is an arithmetic number, because the mean of its divisors is an integer number (7761026481).

Almost surely, 2^15522052961 is an apocalyptic number.

It is an amenable number.

15522052961 is a deficient number, since it is larger than the sum of its proper divisors (1).

15522052961 is an equidigital number, since it uses as much as digits as its factorization.

15522052961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 15522052961 in words is "fifteen billion, five hundred twenty-two million, fifty-two thousand, nine hundred sixty-one".