5255451111 has 32 divisors (see below), whose sum is σ = 7672928256. Its totient is φ = 3185280000.

The previous prime is 5255451107. The next prime is 5255451151. The reversal of 5255451111 is 1111545525.

It is not a de Polignac number, because 5255451111 - 2² = 5255451107 is a prime.

It is a super-2 number, since 2×5255451111² = 55239532760222268642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255451151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 947416 + ... + 952946.

It is an arithmetic number, because the mean of its divisors is an integer number (239779008).

Almost surely, 2^5255451111 is an apocalyptic number.

5255451111 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5255451111 is a deficient number, since it is larger than the sum of its proper divisors (2417477145).

5255451111 is a wasteful number, since it uses less digits than its factorization.

5255451111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6183.

The product of its digits is 5000, while the sum is 30.

The square root of 5255451111 is about 72494.4902113257. The cubic root of 5255451111 is about 1738.6146447557.

Adding to 5255451111 its reverse (1111545525), we get a palindrome (6366996636).

The spelling of 5255451111 in words is "five billion, two hundred fifty-five million, four hundred fifty-one thousand, one hundred eleven".