55505115666115 has 8 divisors (see below), whose sum is σ = 66613165561440. Its totient is φ = 44399408024832.

The previous prime is 55505115666109. The next prime is 55505115666229. The reversal of 55505115666115 is 51166651150555.

It is a happy number.

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 55505115666115 - 2²⁹ = 55504578795203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585511374 + ... + 585606163.

It is an arithmetic number, because the mean of its divisors is an integer number (8326645695180).

Almost surely, 2^{55505115666115} is an apocalyptic number.

55505115666115 is a deficient number, since it is larger than the sum of its proper divisors (11108049895325).

55505115666115 is a wasteful number, since it uses less digits than its factorization.

55505115666115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1171127021.

The product of its (nonzero) digits is 3375000, while the sum is 52.

The spelling of 55505115666115 in words is "fifty-five trillion, five hundred five billion, one hundred fifteen million, six hundred sixty-six thousand, one hundred fifteen".