115670881 has 8 divisors (see below), whose sum is σ = 119362824. Its totient is φ = 112020480.

The previous prime is 115670837. The next prime is 115670911. The reversal of 115670881 is 188076511.

It can be written as a sum of positive squares in 4 ways, for example, as 23126481 + 92544400 = 4809^2 + 9620^2 .

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 115670881 - 2¹³ = 115662689 is a prime.

It is a super-2 number, since 2×115670881² = 26759505422632322, which contains 22 as substring.

It is a deceptive number, since it divides R_115670880.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115670881.

It is not an unprimeable number, because it can be changed into a prime (115670281) 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, 4680 + ... + 15913.

It is an arithmetic number, because the mean of its divisors is an integer number (14920353).

Almost surely, 2^115670881 is an apocalyptic number.

It is an amenable number.

115670881 is a deficient number, since it is larger than the sum of its proper divisors (3691943).

115670881 is a wasteful number, since it uses less digits than its factorization.

115670881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20771.

The product of its (nonzero) digits is 13440, while the sum is 37.

The square root of 115670881 is about 10755.0397953704. The cubic root of 115670881 is about 487.2382198301.

The spelling of 115670881 in words is "one hundred fifteen million, six hundred seventy thousand, eight hundred eighty-one".