6011191391 has 2 divisors, whose sum is σ = 6011191392. Its totient is φ = 6011191390.

The previous prime is 6011191379. The next prime is 6011191399. The reversal of 6011191391 is 1931911106.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6011191391 is a prime.

It is a super-2 number, since 2×6011191391² = 72268843878465029762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6011191399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3005595695 + 3005595696.

It is an arithmetic number, because the mean of its divisors is an integer number (3005595696).

Almost surely, 2^6011191391 is an apocalyptic number.

6011191391 is a deficient number, since it is larger than the sum of its proper divisors (1).

6011191391 is an equidigital number, since it uses as much as digits as its factorization.

6011191391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 32.

The square root of 6011191391 is about 77531.8733876591. The cubic root of 6011191391 is about 1818.2496748479.

The spelling of 6011191391 in words is "six billion, eleven million, one hundred ninety-one thousand, three hundred ninety-one".