15105774225 has 48 divisors (see below), whose sum is σ = 25605400832. Its totient is φ = 7853751360.

The previous prime is 15105774199. The next prime is 15105774227. The reversal of 15105774225 is 52247750151.

15105774225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15105774225 - 2⁶ = 15105774161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15105774227) 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 in 47 ways as a sum of consecutive naturals, for example, 1759794 + ... + 1768356.

Almost surely, 2^15105774225 is an apocalyptic number.

15105774225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15105774225 is a deficient number, since it is larger than the sum of its proper divisors (10499626607).

15105774225 is a wasteful number, since it uses less digits than its factorization.

15105774225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9166 (or 9161 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The spelling of 15105774225 in words is "fifteen billion, one hundred five million, seven hundred seventy-four thousand, two hundred twenty-five".