115549087 has 2 divisors, whose sum is σ = 115549088. Its totient is φ = 115549086.

The previous prime is 115549069. The next prime is 115549097. The reversal of 115549087 is 780945511.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (780945511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115549087 - 2⁷ = 115548959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115549037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57774543 + 57774544.

It is an arithmetic number, because the mean of its divisors is an integer number (57774544).

Almost surely, 2^115549087 is an apocalyptic number.

115549087 is a deficient number, since it is larger than the sum of its proper divisors (1).

115549087 is an equidigital number, since it uses as much as digits as its factorization.

115549087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 115549087 is about 10749.3761214314. The cubic root of 115549087 is about 487.0671496021.

The spelling of 115549087 in words is "one hundred fifteen million, five hundred forty-nine thousand, eighty-seven".