6151121447 has 2 divisors, whose sum is σ = 6151121448. Its totient is φ = 6151121446.

The previous prime is 6151121443. The next prime is 6151121497. The reversal of 6151121447 is 7441211516.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6151121447 - 2² = 6151121443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6151121443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075560723 + 3075560724.

It is an arithmetic number, because the mean of its divisors is an integer number (3075560724).

Almost surely, 2^6151121447 is an apocalyptic number.

6151121447 is a deficient number, since it is larger than the sum of its proper divisors (1).

6151121447 is an equidigital number, since it uses as much as digits as its factorization.

6151121447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 6151121447 is about 78429.0854657888. The cubic root of 6151121447 is about 1832.2501556369.

The spelling of 6151121447 in words is "six billion, one hundred fifty-one million, one hundred twenty-one thousand, four hundred forty-seven".