15404068325 has 6 divisors (see below), whose sum is σ = 19101044754. Its totient is φ = 12323254640.

The previous prime is 15404068259. The next prime is 15404068343. The reversal of 15404068325 is 52386040451.

It can be written as a sum of positive squares in 3 ways, for example, as 2513417956 + 12890650369 = 50134^2 + 113537^2 .

It is not a de Polignac number, because 15404068325 - 2¹⁸ = 15403806181 is a prime.

It is a super-2 number, since 2×15404068325² (a number of 21 digits) contains 22 as substring.

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 5 ways as a sum of consecutive naturals, for example, 308081342 + ... + 308081391.

It is an arithmetic number, because the mean of its divisors is an integer number (3183507459).

Almost surely, 2^15404068325 is an apocalyptic number.

It is an amenable number.

15404068325 is a deficient number, since it is larger than the sum of its proper divisors (3696976429).

15404068325 is an equidigital number, since it uses as much as digits as its factorization.

15404068325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616162743 (or 616162738 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The spelling of 15404068325 in words is "fifteen billion, four hundred four million, sixty-eight thousand, three hundred twenty-five".