55011505115 has 16 divisors (see below), whose sum is σ = 75472349952. Its totient is φ = 37708174944.

The previous prime is 55011505103. The next prime is 55011505151. The reversal of 55011505115 is 51150511055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55011505115 - 2¹⁰ = 55011504091 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 195569 + ... + 385058.

It is an arithmetic number, because the mean of its divisors is an integer number (4717021872).

Almost surely, 2^55011505115 is an apocalyptic number.

55011505115 is a deficient number, since it is larger than the sum of its proper divisors (20460844837).

55011505115 is a wasteful number, since it uses less digits than its factorization.

55011505115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583346.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 55011505115 in words is "fifty-five billion, eleven million, five hundred five thousand, one hundred fifteen".