115560006661 has 8 divisors (see below), whose sum is σ = 126103438944. Its totient is φ = 105022903920.

The previous prime is 115560006659. The next prime is 115560006677. The reversal of 115560006661 is 166600065511.

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

It is not a de Polignac number, because 115560006661 - 2¹ = 115560006659 is a prime.

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 115560006661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115560906661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1544166 + ... + 1617271.

It is an arithmetic number, because the mean of its divisors is an integer number (15762929868).

Almost surely, 2^115560006661 is an apocalyptic number.

115560006661 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

115560006661 is a deficient number, since it is larger than the sum of its proper divisors (10543432283).

115560006661 is a wasteful number, since it uses less digits than its factorization.

115560006661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164771.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 115560006661 in words is "one hundred fifteen billion, five hundred sixty million, six thousand, six hundred sixty-one".