115489651 has 2 divisors, whose sum is σ = 115489652. Its totient is φ = 115489650.

The previous prime is 115489643. The next prime is 115489667. The reversal of 115489651 is 156984511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115489651 - 2³ = 115489643 is a prime.

It is not a weakly prime, because it can be changed into another prime (115489151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57744825 + 57744826.

It is an arithmetic number, because the mean of its divisors is an integer number (57744826).

Almost surely, 2^115489651 is an apocalyptic number.

115489651 is a deficient number, since it is larger than the sum of its proper divisors (1).

115489651 is an equidigital number, since it uses as much as digits as its factorization.

115489651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 40.

The square root of 115489651 is about 10746.6111402618. The cubic root of 115489651 is about 486.9836229414.

The spelling of 115489651 in words is "one hundred fifteen million, four hundred eighty-nine thousand, six hundred fifty-one".