15251292361 has 2 divisors, whose sum is σ = 15251292362. Its totient is φ = 15251292360.

The previous prime is 15251292359. The next prime is 15251292373. The reversal of 15251292361 is 16329215251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13202010000 + 2049282361 = 114900^2 + 45269^2 .

It is a cyclic number.

It is not a de Polignac number, because 15251292361 - 2¹ = 15251292359 is a prime.

Together with 15251292359, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 15251292361.

It is not a weakly prime, because it can be changed into another prime (15251592361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7625646180 + 7625646181.

It is an arithmetic number, because the mean of its divisors is an integer number (7625646181).

Almost surely, 2^15251292361 is an apocalyptic number.

It is an amenable number.

15251292361 is a deficient number, since it is larger than the sum of its proper divisors (1).

15251292361 is an equidigital number, since it uses as much as digits as its factorization.

15251292361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 37.

The spelling of 15251292361 in words is "fifteen billion, two hundred fifty-one million, two hundred ninety-two thousand, three hundred sixty-one".