5511121255 has 8 divisors (see below), whose sum is σ = 6826679424. Its totient is φ = 4266674400.

The previous prime is 5511121229. The next prime is 5511121283. The reversal of 5511121255 is 5521211155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5511121255 - 2⁵ = 5511121223 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 17777656 + ... + 17777965.

It is an arithmetic number, because the mean of its divisors is an integer number (853334928).

Almost surely, 2^5511121255 is an apocalyptic number.

5511121255 is a deficient number, since it is larger than the sum of its proper divisors (1315558169).

5511121255 is a wasteful number, since it uses less digits than its factorization.

5511121255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35555657.

The product of its digits is 2500, while the sum is 28.

The square root of 5511121255 is about 74236.9264921441. The cubic root of 5511121255 is about 1766.3631213186.

The spelling of 5511121255 in words is "five billion, five hundred eleven million, one hundred twenty-one thousand, two hundred fifty-five".