6121530045377 has 2 divisors, whose sum is σ = 6121530045378. Its totient is φ = 6121530045376.

The previous prime is 6121530045353. The next prime is 6121530045391. The reversal of 6121530045377 is 7735400351216.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5246339859121 + 875190186256 = 2290489^2 + 935516^2 .

It is a cyclic number.

It is not a de Polignac number, because 6121530045377 - 2¹⁶ = 6121529979841 is a prime.

It is not a weakly prime, because it can be changed into another prime (6121530045307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3060765022688 + 3060765022689.

It is an arithmetic number, because the mean of its divisors is an integer number (3060765022689).

Almost surely, 2^{6121530045377} is an apocalyptic number.

It is an amenable number.

6121530045377 is a deficient number, since it is larger than the sum of its proper divisors (1).

6121530045377 is an equidigital number, since it uses as much as digits as its factorization.

6121530045377 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 6121530045377 in words is "six trillion, one hundred twenty-one billion, five hundred thirty million, forty-five thousand, three hundred seventy-seven".