6115556711 has 12 divisors (see below), whose sum is σ = 6787334736. Its totient is φ = 5505609120.

The previous prime is 6115556701. The next prime is 6115556749. The reversal of 6115556711 is 1176555116.

It is not a de Polignac number, because 6115556711 - 2¹⁰ = 6115555687 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 (6115556701) 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, 232886 + ... + 257811.

It is an arithmetic number, because the mean of its divisors is an integer number (565611228).

Almost surely, 2^6115556711 is an apocalyptic number.

6115556711 is a deficient number, since it is larger than the sum of its proper divisors (671778025).

6115556711 is a wasteful number, since it uses less digits than its factorization.

6115556711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490822 (or 490811 counting only the distinct ones).

The product of its digits is 31500, while the sum is 38.

The square root of 6115556711 is about 78202.0249801755. The cubic root of 6115556711 is about 1828.7120752683.

The spelling of 6115556711 in words is "six billion, one hundred fifteen million, five hundred fifty-six thousand, seven hundred eleven".