2115536152225 has 6 divisors (see below), whose sum is σ = 2623264828790. Its totient is φ = 1692428921760.

The previous prime is 2115536152193. The next prime is 2115536152253. The reversal of 2115536152225 is 5222516355112.

It can be written as a sum of positive squares in 3 ways, for example, as 741267618961 + 1374268533264 = 860969^2 + 1172292^2 .

It is not a de Polignac number, because 2115536152225 - 2⁵ = 2115536152193 is a prime.

It is a super-2 number, since 2×2115536152225² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42310723020 + ... + 42310723069.

Almost surely, 2^{2115536152225} is an apocalyptic number.

2115536152225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2115536152225 is a deficient number, since it is larger than the sum of its proper divisors (507728676565).

2115536152225 is an equidigital number, since it uses as much as digits as its factorization.

2115536152225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84621446099 (or 84621446094 counting only the distinct ones).

The product of its digits is 180000, while the sum is 40.

The spelling of 2115536152225 in words is "two trillion, one hundred fifteen billion, five hundred thirty-six million, one hundred fifty-two thousand, two hundred twenty-five".