115251441121 has 4 divisors (see below), whose sum is σ = 116971611952. Its totient is φ = 113531270292.

The previous prime is 115251441103. The next prime is 115251441131. The reversal of 115251441121 is 121144152511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115251441121 - 2⁵ = 115251441089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115251441121.

It is not an unprimeable number, because it can be changed into a prime (115251441101) 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, 860085315 + ... + 860085448.

It is an arithmetic number, because the mean of its divisors is an integer number (29242902988).

Almost surely, 2^115251441121 is an apocalyptic number.

It is an amenable number.

115251441121 is a deficient number, since it is larger than the sum of its proper divisors (1720170831).

115251441121 is an equidigital number, since it uses as much as digits as its factorization.

115251441121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720170830.

The product of its digits is 1600, while the sum is 28.

Adding to 115251441121 its reverse (121144152511), we get a palindrome (236395593632).

The spelling of 115251441121 in words is "one hundred fifteen billion, two hundred fifty-one million, four hundred forty-one thousand, one hundred twenty-one".