15088342561 has 2 divisors, whose sum is σ = 15088342562. Its totient is φ = 15088342560.

The previous prime is 15088342559. The next prime is 15088342573. The reversal of 15088342561 is 16524388051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13468763025 + 1619579536 = 116055^2 + 40244^2 .

It is a cyclic number.

It is not a de Polignac number, because 15088342561 - 2¹ = 15088342559 is a prime.

Together with 15088342559, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (15088342501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7544171280 + 7544171281.

It is an arithmetic number, because the mean of its divisors is an integer number (7544171281).

Almost surely, 2^15088342561 is an apocalyptic number.

It is an amenable number.

15088342561 is a deficient number, since it is larger than the sum of its proper divisors (1).

15088342561 is an equidigital number, since it uses as much as digits as its factorization.

15088342561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 15088342561 in words is "fifteen billion, eighty-eight million, three hundred forty-two thousand, five hundred sixty-one".