6111139445 has 8 divisors (see below), whose sum is σ = 7652209536. Its totient is φ = 4676350096.

The previous prime is 6111139429. The next prime is 6111139469. The reversal of 6111139445 is 5449311116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6111139445 - 2⁴ = 6111139429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26570057 + ... + 26570286.

It is an arithmetic number, because the mean of its divisors is an integer number (956526192).

Almost surely, 2^6111139445 is an apocalyptic number.

It is an amenable number.

6111139445 is a deficient number, since it is larger than the sum of its proper divisors (1541070091).

6111139445 is a wasteful number, since it uses less digits than its factorization.

6111139445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53140371.

The product of its digits is 12960, while the sum is 35.

The square root of 6111139445 is about 78173.7772210093. Note that the first 3 decimals coincide. The cubic root of 6111139445 is about 1828.2716763683.

The spelling of 6111139445 in words is "six billion, one hundred eleven million, one hundred thirty-nine thousand, four hundred forty-five".