115382551 has 4 divisors (see below), whose sum is σ = 115405552. Its totient is φ = 115359552.

The previous prime is 115382549. The next prime is 115382563. The reversal of 115382551 is 155283511.

115382551 is nontrivially palindromic in base 6.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155283511 = 23 ⋅6751457.

It is a cyclic number.

It is not a de Polignac number, because 115382551 - 2¹ = 115382549 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 (115382591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411 + ... + 15196.

It is an arithmetic number, because the mean of its divisors is an integer number (28851388).

Almost surely, 2^115382551 is an apocalyptic number.

115382551 is a deficient number, since it is larger than the sum of its proper divisors (23001).

115382551 is an equidigital number, since it uses as much as digits as its factorization.

115382551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23000.

The product of its digits is 6000, while the sum is 31.

The square root of 115382551 is about 10741.6270182873. The cubic root of 115382551 is about 486.8330406850.

The spelling of 115382551 in words is "one hundred fifteen million, three hundred eighty-two thousand, five hundred fifty-one".