115900451 has 2 divisors, whose sum is σ = 115900452. Its totient is φ = 115900450.

The previous prime is 115900439. The next prime is 115900487. The reversal of 115900451 is 154009511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115900451 - 2⁶ = 115900387 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115900451.

It is not a weakly prime, because it can be changed into another prime (115900651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57950225 + 57950226.

It is an arithmetic number, because the mean of its divisors is an integer number (57950226).

Almost surely, 2^115900451 is an apocalyptic number.

115900451 is a deficient number, since it is larger than the sum of its proper divisors (1).

115900451 is an equidigital number, since it uses as much as digits as its factorization.

115900451 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The square root of 115900451 is about 10765.7071760289. The cubic root of 115900451 is about 487.5603445791.

Adding to 115900451 its reverse (154009511), we get a palindrome (269909962).

The spelling of 115900451 in words is "one hundred fifteen million, nine hundred thousand, four hundred fifty-one".