15147573117225 has 24 divisors (see below), whose sum is σ = 25045421707680. Its totient is φ = 8078243032320.

The previous prime is 15147573117217. The next prime is 15147573117227. The reversal of 15147573117225 is 52271137574151.

It is not a de Polignac number, because 15147573117225 - 2³ = 15147573117217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15147573117227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4462459 + ... + 7085808.

It is an arithmetic number, because the mean of its divisors is an integer number (1043559237820).

Almost surely, 2^{15147573117225} is an apocalyptic number.

15147573117225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15147573117225 is a deficient number, since it is larger than the sum of its proper divisors (9897848590455).

15147573117225 is a wasteful number, since it uses less digits than its factorization.

15147573117225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11565769 (or 11565764 counting only the distinct ones).

The product of its digits is 2058000, while the sum is 51.

The spelling of 15147573117225 in words is "fifteen trillion, one hundred forty-seven billion, five hundred seventy-three million, one hundred seventeen thousand, two hundred twenty-five".