115440122425 has 6 divisors (see below), whose sum is σ = 143145751838. Its totient is φ = 92352097920.

The previous prime is 115440122383. The next prime is 115440122431. The reversal of 115440122425 is 524221044511.

It can be written as a sum of positive squares in 3 ways, for example, as 591656976 + 114848465449 = 24324^2 + 338893^2 .

It is not a de Polignac number, because 115440122425 - 2¹⁵ = 115440089657 is a prime.

It is a Duffinian number.

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, 2308802424 + ... + 2308802473.

Almost surely, 2^115440122425 is an apocalyptic number.

It is an amenable number.

115440122425 is a deficient number, since it is larger than the sum of its proper divisors (27705629413).

115440122425 is an equidigital number, since it uses as much as digits as its factorization.

115440122425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4617604907 (or 4617604902 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 31.

Adding to 115440122425 its reverse (524221044511), we get a palindrome (639661166936).

The spelling of 115440122425 in words is "one hundred fifteen billion, four hundred forty million, one hundred twenty-two thousand, four hundred twenty-five".