1245254223911 has 2 divisors, whose sum is σ = 1245254223912. Its totient is φ = 1245254223910.

The previous prime is 1245254223853. The next prime is 1245254223919. The reversal of 1245254223911 is 1193224525421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245254223911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245254223919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622627111955 + 622627111956.

It is an arithmetic number, because the mean of its divisors is an integer number (622627111956).

Almost surely, 2^{1245254223911} is an apocalyptic number.

1245254223911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245254223911 is an equidigital number, since it uses as much as digits as its factorization.

1245254223911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 172800, while the sum is 41.

The spelling of 1245254223911 in words is "one trillion, two hundred forty-five billion, two hundred fifty-four million, two hundred twenty-three thousand, nine hundred eleven".