6112891321 has 2 divisors, whose sum is σ = 6112891322. Its totient is φ = 6112891320.

The previous prime is 6112891283. The next prime is 6112891327. The reversal of 6112891321 is 1231982116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5353117225 + 759774096 = 73165^2 + 27564^2 .

It is a cyclic number.

It is not a de Polignac number, because 6112891321 - 2¹¹ = 6112889273 is a prime.

It is not a weakly prime, because it can be changed into another prime (6112891327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056445660 + 3056445661.

It is an arithmetic number, because the mean of its divisors is an integer number (3056445661).

Almost surely, 2^6112891321 is an apocalyptic number.

It is an amenable number.

6112891321 is a deficient number, since it is larger than the sum of its proper divisors (1).

6112891321 is an equidigital number, since it uses as much as digits as its factorization.

6112891321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 34.

The square root of 6112891321 is about 78184.9814286606. The cubic root of 6112891321 is about 1828.4463627909.

The spelling of 6112891321 in words is "six billion, one hundred twelve million, eight hundred ninety-one thousand, three hundred twenty-one".