1156324942225 has 6 divisors (see below), whose sum is σ = 1433842928390. Its totient is φ = 925059953760.

The previous prime is 1156324942193. The next prime is 1156324942229. The reversal of 1156324942225 is 5222494236511.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 46555398289 + 1109769543936 = 215767^2 + 1053456^2 .

It is not a de Polignac number, because 1156324942225 - 2⁵ = 1156324942193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1156324942229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23126498820 + ... + 23126498869.

Almost surely, 2^{1156324942225} is an apocalyptic number.

It is an amenable number.

1156324942225 is a deficient number, since it is larger than the sum of its proper divisors (277517986165).

1156324942225 is an equidigital number, since it uses as much as digits as its factorization.

1156324942225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46252997699 (or 46252997694 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The spelling of 1156324942225 in words is "one trillion, one hundred fifty-six billion, three hundred twenty-four million, nine hundred forty-two thousand, two hundred twenty-five".