15401325125 has 8 divisors (see below), whose sum is σ = 19220853912. Its totient is φ = 12321060000.

The previous prime is 15401325103. The next prime is 15401325127. The reversal of 15401325125 is 52152310451.

It can be written as a sum of positive squares in 4 ways, for example, as 3608885476 + 11792439649 = 60074^2 + 108593^2 .

It is not a de Polignac number, because 15401325125 - 2⁶ = 15401325061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15401325127) 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 in 7 ways as a sum of consecutive naturals, for example, 61605176 + ... + 61605425.

It is an arithmetic number, because the mean of its divisors is an integer number (2402606739).

Almost surely, 2^15401325125 is an apocalyptic number.

It is an amenable number.

15401325125 is a deficient number, since it is larger than the sum of its proper divisors (3819528787).

15401325125 is an equidigital number, since it uses as much as digits as its factorization.

15401325125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123210616 (or 123210606 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 15401325125 its reverse (52152310451), we get a palindrome (67553635576).

The spelling of 15401325125 in words is "fifteen billion, four hundred one million, three hundred twenty-five thousand, one hundred twenty-five".