1245804496751 has 2 divisors, whose sum is σ = 1245804496752. Its totient is φ = 1245804496750.

The previous prime is 1245804496669. The next prime is 1245804496763. The reversal of 1245804496751 is 1576944085421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245804496751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245804496151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622902248375 + 622902248376.

It is an arithmetic number, because the mean of its divisors is an integer number (622902248376).

Almost surely, 2^{1245804496751} is an apocalyptic number.

1245804496751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245804496751 is an equidigital number, since it uses as much as digits as its factorization.

1245804496751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 1245804496751 in words is "one trillion, two hundred forty-five billion, eight hundred four million, four hundred ninety-six thousand, seven hundred fifty-one".