115225241254121 has 4 divisors (see below), whose sum is σ = 115263131833044. Its totient is φ = 115187350675200.

The previous prime is 115225241254063. The next prime is 115225241254139. The reversal of 115225241254121 is 121452142522511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71691782410000 + 43533458844121 = 8467100^2 + 6597989^2 .

It is a cyclic number.

It is not a de Polignac number, because 115225241254121 - 2³⁰ = 115224167512297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115225241250121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18945284900 + ... + 18945290981.

It is an arithmetic number, because the mean of its divisors is an integer number (28815782958261).

Almost surely, 2^{115225241254121} is an apocalyptic number.

It is an amenable number.

115225241254121 is a deficient number, since it is larger than the sum of its proper divisors (37890578923).

115225241254121 is an equidigital number, since it uses as much as digits as its factorization.

115225241254121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37890578922.

The product of its digits is 64000, while the sum is 38.

Adding to 115225241254121 its reverse (121452142522511), we get a palindrome (236677383776632).

The spelling of 115225241254121 in words is "one hundred fifteen trillion, two hundred twenty-five billion, two hundred forty-one million, two hundred fifty-four thousand, one hundred twenty-one".