1573105128225 has 24 divisors (see below), whose sum is σ = 2600916968160. Its totient is φ = 838973329920.

The previous prime is 1573105128223. The next prime is 1573105128251. The reversal of 1573105128225 is 5228215013751.

It is not a de Polignac number, because 1573105128225 - 2¹ = 1573105128223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1573105128223) 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, 4454961 + ... + 4795089.

It is an arithmetic number, because the mean of its divisors is an integer number (108371540340).

Almost surely, 2^{1573105128225} is an apocalyptic number.

1573105128225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1573105128225 is a deficient number, since it is larger than the sum of its proper divisors (1027811839935).

1573105128225 is a wasteful number, since it uses less digits than its factorization.

1573105128225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401809 (or 401804 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 42.

The spelling of 1573105128225 in words is "one trillion, five hundred seventy-three billion, one hundred five million, one hundred twenty-eight thousand, two hundred twenty-five".