5155500550555 has 4 divisors (see below), whose sum is σ = 6186600660672. Its totient is φ = 4124400440440.

The previous prime is 5155500550553. The next prime is 5155500550559. The reversal of 5155500550555 is 5550550055515.

It is a happy number.

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

It is not a de Polignac number, because 5155500550555 - 2¹ = 5155500550553 is a prime.

It is a super-2 number, since 2×5155500550555² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5155500550553) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 515550055051 + ... + 515550055060.

It is an arithmetic number, because the mean of its divisors is an integer number (1546650165168).

Almost surely, 2^{5155500550555} is an apocalyptic number.

5155500550555 is a deficient number, since it is larger than the sum of its proper divisors (1031100110117).

5155500550555 is a wasteful number, since it uses less digits than its factorization.

5155500550555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031100110116.

The product of its (nonzero) digits is 1953125, while the sum is 46.

The spelling of 5155500550555 in words is "five trillion, one hundred fifty-five billion, five hundred million, five hundred fifty thousand, five hundred fifty-five".