1040553552257 has 2 divisors, whose sum is σ = 1040553552258. Its totient is φ = 1040553552256.

The previous prime is 1040553552169. The next prime is 1040553552383. The reversal of 1040553552257 is 7522553550401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 876762558736 + 163790993521 = 936356^2 + 404711^2 .

It is an emirp because it is prime and its reverse (7522553550401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1040553552257 - 2²⁴ = 1040536775041 is a prime.

It is a super-2 number, since 2×1040553552257² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1040553552457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520276776128 + 520276776129.

It is an arithmetic number, because the mean of its divisors is an integer number (520276776129).

Almost surely, 2^{1040553552257} is an apocalyptic number.

It is an amenable number.

1040553552257 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040553552257 is an equidigital number, since it uses as much as digits as its factorization.

1040553552257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1050000, while the sum is 44.

The spelling of 1040553552257 in words is "one trillion, forty billion, five hundred fifty-three million, five hundred fifty-two thousand, two hundred fifty-seven".