15055533425 has 12 divisors (see below), whose sum is σ = 19312616220. Its totient is φ = 11629101120.

The previous prime is 15055533419. The next prime is 15055533461. The reversal of 15055533425 is 52433555051.

It can be written as a sum of positive squares in 6 ways, for example, as 1014231409 + 14041302016 = 31847^2 + 118496^2 .

It is a de Polignac number, because none of the positive numbers 2^k-15055533425 is a prime.

It is a super-2 number, since 2×15055533425² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10382402 + ... + 10383851.

It is an arithmetic number, because the mean of its divisors is an integer number (1609384685).

Almost surely, 2^15055533425 is an apocalyptic number.

It is an amenable number.

15055533425 is a deficient number, since it is larger than the sum of its proper divisors (4257082795).

15055533425 is a wasteful number, since it uses less digits than its factorization.

15055533425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766292 (or 20766287 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 38.

The spelling of 15055533425 in words is "fifteen billion, fifty-five million, five hundred thirty-three thousand, four hundred twenty-five".