1159465936225 has 27 divisors (see below), whose sum is σ = 1485826363731. Its totient is φ = 897521833200.

The previous prime is 1159465936199. The next prime is 1159465936229. The reversal of 1159465936225 is 5226395649511.

The square root of 1159465936225 is 1076785.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 417407737041 + 742058199184 = 646071^2 + 861428^2 .

It is not a de Polignac number, because 1159465936225 - 2⁵ = 1159465936193 is a prime.

It is a super-2 number, since 2×1159465936225² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1159465936225.

It is not an unprimeable number, because it can be changed into a prime (1159465936229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 166898202 + ... + 166905148.

Almost surely, 2^{1159465936225} is an apocalyptic number.

1159465936225 is the 1076785-th square number.

1159465936225 is the 538393-rd centered octagonal number.

It is an amenable number.

1159465936225 is a deficient number, since it is larger than the sum of its proper divisors (326360427506).

1159465936225 is an frugal number, since it uses more digits than its factorization.

1159465936225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13966 (or 6983 counting only the distinct ones).

The product of its digits is 17496000, while the sum is 58.

The spelling of 1159465936225 in words is "one trillion, one hundred fifty-nine billion, four hundred sixty-five million, nine hundred thirty-six thousand, two hundred twenty-five".