1250040415457 has 2 divisors, whose sum is σ = 1250040415458. Its totient is φ = 1250040415456.

The previous prime is 1250040415381. The next prime is 1250040415511. The reversal of 1250040415457 is 7545140400521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1206913171216 + 43127244241 = 1098596^2 + 207671^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250040415457 - 2²⁰ = 1250039366881 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1250040415457.

It is not a weakly prime, because it can be changed into another prime (1250040412457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625020207728 + 625020207729.

It is an arithmetic number, because the mean of its divisors is an integer number (625020207729).

Almost surely, 2^{1250040415457} is an apocalyptic number.

It is an amenable number.

1250040415457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250040415457 is an equidigital number, since it uses as much as digits as its factorization.

1250040415457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112000, while the sum is 38.

Adding to 1250040415457 its reverse (7545140400521), we get a palindrome (8795180815978).

The spelling of 1250040415457 in words is "one trillion, two hundred fifty billion, forty million, four hundred fifteen thousand, four hundred fifty-seven".