5515225155 has 24 divisors (see below), whose sum is σ = 10428790320. Its totient is φ = 2674048320.

The previous prime is 5515225151. The next prime is 5515225231.

5515225155 is a `hidden beast` number, since 551 + 5 + 2 + 2 + 51 + 55 = 666.

5515225155 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5515225155 - 2² = 5515225151 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5515225151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5570440 + ... + 5571429.

It is an arithmetic number, because the mean of its divisors is an integer number (434532930).

Almost surely, 2^5515225155 is an apocalyptic number.

5515225155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5515225155 is a deficient number, since it is larger than the sum of its proper divisors (4913565165).

5515225155 is a wasteful number, since it uses less digits than its factorization.

5515225155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141891 (or 11141888 counting only the distinct ones).

The product of its digits is 62500, while the sum is 36.

The square root of 5515225155 is about 74264.5619053933. The cubic root of 5515225155 is about 1766.8014579526.

The spelling of 5515225155 in words is "five billion, five hundred fifteen million, two hundred twenty-five thousand, one hundred fifty-five".