15051255397 has 2 divisors, whose sum is σ = 15051255398. Its totient is φ = 15051255396.

The previous prime is 15051255353. The next prime is 15051255421. The reversal of 15051255397 is 79355215051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11423120641 + 3628134756 = 106879^2 + 60234^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15051255397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15051255497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7525627698 + 7525627699.

It is an arithmetic number, because the mean of its divisors is an integer number (7525627699).

Almost surely, 2^15051255397 is an apocalyptic number.

It is an amenable number.

15051255397 is a deficient number, since it is larger than the sum of its proper divisors (1).

15051255397 is an equidigital number, since it uses as much as digits as its factorization.

15051255397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236250, while the sum is 43.

The spelling of 15051255397 in words is "fifteen billion, fifty-one million, two hundred fifty-five thousand, three hundred ninety-seven".