115862551 has 8 divisors (see below), whose sum is σ = 139383680. Its totient is φ = 94083768.

The previous prime is 115862491. The next prime is 115862581. The reversal of 115862551 is 155268511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115862551 - 2⁷ = 115862423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115862581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435441 + ... + 435706.

It is an arithmetic number, because the mean of its divisors is an integer number (17422960).

Almost surely, 2^115862551 is an apocalyptic number.

115862551 is a deficient number, since it is larger than the sum of its proper divisors (23521129).

115862551 is an equidigital number, since it uses as much as digits as its factorization.

115862551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871173.

The product of its digits is 12000, while the sum is 34.

The square root of 115862551 is about 10763.9468133208. The cubic root of 115862551 is about 487.5071939328.

The spelling of 115862551 in words is "one hundred fifteen million, eight hundred sixty-two thousand, five hundred fifty-one".