115512451 has 2 divisors, whose sum is σ = 115512452. Its totient is φ = 115512450.

The previous prime is 115512443. The next prime is 115512497. The reversal of 115512451 is 154215511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115512451 - 2³ = 115512443 is a prime.

It is not a weakly prime, because it can be changed into another prime (115512401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57756225 + 57756226.

It is an arithmetic number, because the mean of its divisors is an integer number (57756226).

Almost surely, 2^115512451 is an apocalyptic number.

115512451 is a deficient number, since it is larger than the sum of its proper divisors (1).

115512451 is an equidigital number, since it uses as much as digits as its factorization.

115512451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1000, while the sum is 25.

The square root of 115512451 is about 10747.6718874368. The cubic root of 115512451 is about 487.0156676482.

Adding to 115512451 its reverse (154215511), we get a palindrome (269727962).

The spelling of 115512451 in words is "one hundred fifteen million, five hundred twelve thousand, four hundred fifty-one".