6112891577 has 4 divisors (see below), whose sum is σ = 6583114020. Its totient is φ = 5642669136.

The previous prime is 6112891553. The next prime is 6112891583. The reversal of 6112891577 is 7751982116.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1402951936 + 4709939641 = 37456^2 + 68629^2 .

It is not a de Polignac number, because 6112891577 - 2⁸ = 6112891321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6112891507) 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, 235111202 + ... + 235111227.

It is an arithmetic number, because the mean of its divisors is an integer number (1645778505).

Almost surely, 2^6112891577 is an apocalyptic number.

It is an amenable number.

6112891577 is a deficient number, since it is larger than the sum of its proper divisors (470222443).

6112891577 is a wasteful number, since it uses less digits than its factorization.

6112891577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470222442.

The product of its digits is 211680, while the sum is 47.

The square root of 6112891577 is about 78184.9830658036. The cubic root of 6112891577 is about 1828.4463883152.

The spelling of 6112891577 in words is "six billion, one hundred twelve million, eight hundred ninety-one thousand, five hundred seventy-seven".