15425013005125 has 8 divisors (see below), whose sum is σ = 19250416230552. Its totient is φ = 12340010404000.

The previous prime is 15425013004991. The next prime is 15425013005147. The reversal of 15425013005125 is 52150031052451.

It can be written as a sum of positive squares in 4 ways, for example, as 487261476 + 15424525743649 = 22074^2 + 3927407^2 .

It is not a de Polignac number, because 15425013005125 - 2¹⁵ = 15425012972357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61700051896 + ... + 61700052145.

It is an arithmetic number, because the mean of its divisors is an integer number (2406302028819).

Almost surely, 2^{15425013005125} is an apocalyptic number.

It is an amenable number.

15425013005125 is a deficient number, since it is larger than the sum of its proper divisors (3825403225427).

15425013005125 is an equidigital number, since it uses as much as digits as its factorization.

15425013005125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123400104056 (or 123400104046 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 34.

Adding to 15425013005125 its reverse (52150031052451), we get a palindrome (67575044057576).

The spelling of 15425013005125 in words is "fifteen trillion, four hundred twenty-five billion, thirteen million, five thousand, one hundred twenty-five".