15125253893 has 2 divisors, whose sum is σ = 15125253894. Its totient is φ = 15125253892.

The previous prime is 15125253853. The next prime is 15125253917. The reversal of 15125253893 is 39835252151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8384515489 + 6740738404 = 91567^2 + 82102^2 .

It is a cyclic number.

It is not a de Polignac number, because 15125253893 - 2¹⁴ = 15125237509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15125253853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7562626946 + 7562626947.

It is an arithmetic number, because the mean of its divisors is an integer number (7562626947).

Almost surely, 2^15125253893 is an apocalyptic number.

It is an amenable number.

15125253893 is a deficient number, since it is larger than the sum of its proper divisors (1).

15125253893 is an equidigital number, since it uses as much as digits as its factorization.

15125253893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 44.

The spelling of 15125253893 in words is "fifteen billion, one hundred twenty-five million, two hundred fifty-three thousand, eight hundred ninety-three".