6118255551 has 4 divisors (see below), whose sum is σ = 8157674072. Its totient is φ = 4078837032.

The previous prime is 6118255537. The next prime is 6118255601. The reversal of 6118255551 is 1555528116.

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

It is not a de Polignac number, because 6118255551 - 2⁵ = 6118255519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6118254551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019709256 + ... + 1019709261.

It is an arithmetic number, because the mean of its divisors is an integer number (2039418518).

Almost surely, 2^6118255551 is an apocalyptic number.

6118255551 is a deficient number, since it is larger than the sum of its proper divisors (2039418521).

6118255551 is a wasteful number, since it uses less digits than its factorization.

6118255551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039418520.

The product of its digits is 60000, while the sum is 39.

The square root of 6118255551 is about 78219.2786402432. The cubic root of 6118255551 is about 1828.9810437203.

The spelling of 6118255551 in words is "six billion, one hundred eighteen million, two hundred fifty-five thousand, five hundred fifty-one".