10557805771 has 2 divisors, whose sum is σ = 10557805772. Its totient is φ = 10557805770.

The previous prime is 10557805729. The next prime is 10557805787. The reversal of 10557805771 is 17750875501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10557805771 - 2³³ = 1967871179 is a prime.

It is a super-2 number, since 2×10557805771² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10557805711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5278902885 + 5278902886.

It is an arithmetic number, because the mean of its divisors is an integer number (5278902886).

Almost surely, 2^10557805771 is an apocalyptic number.

10557805771 is a deficient number, since it is larger than the sum of its proper divisors (1).

10557805771 is an equidigital number, since it uses as much as digits as its factorization.

10557805771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 343000, while the sum is 46.

The spelling of 10557805771 in words is "ten billion, five hundred fifty-seven million, eight hundred five thousand, seven hundred seventy-one".