55000110605015 has 4 divisors (see below), whose sum is σ = 66000132726024. Its totient is φ = 44000088484008.

The previous prime is 55000110605009. The next prime is 55000110605017. The reversal of 55000110605015 is 51050601100055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000110605015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000110605017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5500011060497 + ... + 5500011060506.

It is an arithmetic number, because the mean of its divisors is an integer number (16500033181506).

Almost surely, 2^{55000110605015} is an apocalyptic number.

55000110605015 is a deficient number, since it is larger than the sum of its proper divisors (11000022121009).

55000110605015 is a wasteful number, since it uses less digits than its factorization.

55000110605015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11000022121008.

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 55000110605015 in words is "fifty-five trillion, one hundred ten million, six hundred five thousand, fifteen".