1250395840553 has 2 divisors, whose sum is σ = 1250395840554. Its totient is φ = 1250395840552.

The previous prime is 1250395840459. The next prime is 1250395840601. The reversal of 1250395840553 is 3550485930521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 802937860624 + 447457979929 = 896068^2 + 668923^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250395840553 - 2¹⁰ = 1250395839529 is a prime.

It is not a weakly prime, because it can be changed into another prime (1250395840153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625197920276 + 625197920277.

It is an arithmetic number, because the mean of its divisors is an integer number (625197920277).

Almost surely, 2^{1250395840553} is an apocalyptic number.

It is an amenable number.

1250395840553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250395840553 is an equidigital number, since it uses as much as digits as its factorization.

1250395840553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240000, while the sum is 50.

The spelling of 1250395840553 in words is "one trillion, two hundred fifty billion, three hundred ninety-five million, eight hundred forty thousand, five hundred fifty-three".