15425514245389 has 2 divisors, whose sum is σ = 15425514245390. Its totient is φ = 15425514245388.

The previous prime is 15425514245357. The next prime is 15425514245411. The reversal of 15425514245389 is 98354241552451.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10213617015625 + 5211897229764 = 3195875^2 + 2282958^2 .

It is a cyclic number.

It is not a de Polignac number, because 15425514245389 - 2⁵ = 15425514245357 is a prime.

It is a super-2 number, since 2×15425514245389² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15425514245689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7712757122694 + 7712757122695.

It is an arithmetic number, because the mean of its divisors is an integer number (7712757122695).

Almost surely, 2^{15425514245389} is an apocalyptic number.

It is an amenable number.

15425514245389 is a deficient number, since it is larger than the sum of its proper divisors (1).

15425514245389 is an equidigital number, since it uses as much as digits as its factorization.

15425514245389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560000, while the sum is 58.

The spelling of 15425514245389 in words is "fifteen trillion, four hundred twenty-five billion, five hundred fourteen million, two hundred forty-five thousand, three hundred eighty-nine".