115211205051025 has 12 divisors (see below), whose sum is σ = 145203892531804. Its totient is φ = 90657997416000.

The previous prime is 115211205051023. The next prime is 115211205051083. The reversal of 115211205051025 is 520150502112511.

It can be written as a sum of positive squares in 6 ways, for example, as 4869794111121 + 110341410939904 = 2206761^2 + 10504352^2 .

It is not a de Polignac number, because 115211205051025 - 2¹ = 115211205051023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115211205051023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37774164066 + ... + 37774167115.

Almost surely, 2^{115211205051025} is an apocalyptic number.

It is an amenable number.

115211205051025 is a deficient number, since it is larger than the sum of its proper divisors (29992687480779).

115211205051025 is an equidigital number, since it uses as much as digits as its factorization.

115211205051025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75548331252 (or 75548331247 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 31.

Adding to 115211205051025 its reverse (520150502112511), we get a palindrome (635361707163536).

The spelling of 115211205051025 in words is "one hundred fifteen trillion, two hundred eleven billion, two hundred five million, fifty-one thousand, twenty-five".