6111223391 has 16 divisors (see below), whose sum is σ = 7599057984. Its totient is φ = 4785398784.

The previous prime is 6111223387. The next prime is 6111223429. The reversal of 6111223391 is 1933221116.

It is a cyclic number.

It is not a de Polignac number, because 6111223391 - 2² = 6111223387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6111223381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 337340 + ... + 354993.

It is an arithmetic number, because the mean of its divisors is an integer number (474941124).

Almost surely, 2^6111223391 is an apocalyptic number.

6111223391 is a deficient number, since it is larger than the sum of its proper divisors (1487834593).

6111223391 is a wasteful number, since it uses less digits than its factorization.

6111223391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692450.

The product of its digits is 1944, while the sum is 29.

The square root of 6111223391 is about 78174.3141383409. The cubic root of 6111223391 is about 1828.2800477145.

The spelling of 6111223391 in words is "six billion, one hundred eleven million, two hundred twenty-three thousand, three hundred ninety-one".