55611691115 has 8 divisors (see below), whose sum is σ = 66741591840. Its totient is φ = 44484311232.

The previous prime is 55611690991. The next prime is 55611691139. The reversal of 55611691115 is 51119611655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55611691115 is a prime.

It is an unprimeable number.

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, 581330 + ... + 670199.

It is an arithmetic number, because the mean of its divisors is an integer number (8342698980).

Almost surely, 2^55611691115 is an apocalyptic number.

55611691115 is a deficient number, since it is larger than the sum of its proper divisors (11129900725).

55611691115 is a wasteful number, since it uses less digits than its factorization.

55611691115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260421.

The product of its digits is 40500, while the sum is 41.

The spelling of 55611691115 in words is "fifty-five billion, six hundred eleven million, six hundred ninety-one thousand, one hundred fifteen".