6151121497 has 2 divisors, whose sum is σ = 6151121498. Its totient is φ = 6151121496.

The previous prime is 6151121447. The next prime is 6151121507. The reversal of 6151121497 is 7941211516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6151108041 + 13456 = 78429^2 + 116^2 .

It is a cyclic number.

It is not a de Polignac number, because 6151121497 - 2¹¹ = 6151119449 is a prime.

It is not a weakly prime, because it can be changed into another prime (6151121447) 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, 3075560748 + 3075560749.

It is an arithmetic number, because the mean of its divisors is an integer number (3075560749).

Almost surely, 2^6151121497 is an apocalyptic number.

It is an amenable number.

6151121497 is a deficient number, since it is larger than the sum of its proper divisors (1).

6151121497 is an equidigital number, since it uses as much as digits as its factorization.

6151121497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 37.

The square root of 6151121497 is about 78429.0857845481. The cubic root of 6151121497 is about 1832.2501606014.

The spelling of 6151121497 in words is "six billion, one hundred fifty-one million, one hundred twenty-one thousand, four hundred ninety-seven".