1057217190553 has 2 divisors, whose sum is σ = 1057217190554. Its totient is φ = 1057217190552.

The previous prime is 1057217190529. The next prime is 1057217190563. The reversal of 1057217190553 is 3550917127501.

1057217190553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 728380316304 + 328836874249 = 853452^2 + 573443^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1057217190553 is a prime.

It is a super-2 number, since 2×1057217190553² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1057217190503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528608595276 + 528608595277.

It is an arithmetic number, because the mean of its divisors is an integer number (528608595277).

Almost surely, 2^{1057217190553} is an apocalyptic number.

It is an amenable number.

1057217190553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057217190553 is an equidigital number, since it uses as much as digits as its factorization.

1057217190553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330750, while the sum is 46.

The spelling of 1057217190553 in words is "one trillion, fifty-seven billion, two hundred seventeen million, one hundred ninety thousand, five hundred fifty-three".