15088267561 has 2 divisors, whose sum is σ = 15088267562. Its totient is φ = 15088267560.

The previous prime is 15088267531. The next prime is 15088267673. The reversal of 15088267561 is 16576288051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10749542400 + 4338725161 = 103680^2 + 65869^2 .

It is an emirp because it is prime and its reverse (16576288051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15088267561 - 2¹⁵ = 15088234793 is a prime.

It is not a weakly prime, because it can be changed into another prime (15088267501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7544133780 + 7544133781.

It is an arithmetic number, because the mean of its divisors is an integer number (7544133781).

Almost surely, 2^15088267561 is an apocalyptic number.

It is an amenable number.

15088267561 is a deficient number, since it is larger than the sum of its proper divisors (1).

15088267561 is an equidigital number, since it uses as much as digits as its factorization.

15088267561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 15088267561 in words is "fifteen billion, eighty-eight million, two hundred sixty-seven thousand, five hundred sixty-one".