6111111051 has 12 divisors (see below), whose sum is σ = 8908144960. Its totient is φ = 4036696560.

The previous prime is 6111111047. The next prime is 6111111053. The reversal of 6111111051 is 1501111116.

It is a happy number.

6111111051 is a `hidden beast` number, since 611 + 1 + 1 + 1 + 1 + 0 + 51 = 666.

It is not a de Polignac number, because 6111111051 - 2² = 6111111047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6111111053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3113755 + ... + 3115716.

Almost surely, 2^6111111051 is an apocalyptic number.

6111111051 is a deficient number, since it is larger than the sum of its proper divisors (2797033909).

6111111051 is a wasteful number, since it uses less digits than its factorization.

6111111051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6229586 (or 6229583 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 18.

The square root of 6111111051 is about 78173.5956125852. The cubic root of 6111111051 is about 1828.2688448164.

Adding to 6111111051 its reverse (1501111116), we get a palindrome (7612222167).

The spelling of 6111111051 in words is "six billion, one hundred eleven million, one hundred eleven thousand, fifty-one".