86081681115 has 12 divisors (see below), whose sum is σ = 149208247344. Its totient is φ = 45910229904.

The previous prime is 86081681111. The next prime is 86081681141. The reversal of 86081681115 is 51118618068.

It is a happy number.

86081681115 is a `hidden beast` number, since 8 + 608 + 16 + 8 + 11 + 15 = 666.

It is not a de Polignac number, because 86081681115 - 2² = 86081681111 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1912926247 = 86081681115 / (8 + 6 + 0 + 8 + 1 + 6 + 8 + 1 + 1 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (86081681111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 956463079 + ... + 956463168.

It is an arithmetic number, because the mean of its divisors is an integer number (12434020612).

Almost surely, 2^86081681115 is an apocalyptic number.

86081681115 is a deficient number, since it is larger than the sum of its proper divisors (63126566229).

86081681115 is a wasteful number, since it uses less digits than its factorization.

86081681115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912926258 (or 1912926255 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 45.

The spelling of 86081681115 in words is "eighty-six billion, eighty-one million, six hundred eighty-one thousand, one hundred fifteen".