115771061611 has 8 divisors (see below), whose sum is σ = 121867430400. Its totient is φ = 109675008360.

The previous prime is 115771061557. The next prime is 115771061639. The reversal of 115771061611 is 116160177511.

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 115771061611 - 2⁹ = 115771061099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115771061641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1238526 + ... + 1328716.

It is an arithmetic number, because the mean of its divisors is an integer number (15233428800).

Almost surely, 2^115771061611 is an apocalyptic number.

115771061611 is a deficient number, since it is larger than the sum of its proper divisors (6096368789).

115771061611 is an equidigital number, since it uses as much as digits as its factorization.

115771061611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157769.

The product of its (nonzero) digits is 8820, while the sum is 37.

The spelling of 115771061611 in words is "one hundred fifteen billion, seven hundred seventy-one million, sixty-one thousand, six hundred eleven".