10671774557 has 2 divisors, whose sum is σ = 10671774558. Its totient is φ = 10671774556.

The previous prime is 10671774523. The next prime is 10671774569. The reversal of 10671774557 is 75547717601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5542206916 + 5129567641 = 74446^2 + 71621^2 .

It is an emirp because it is prime and its reverse (75547717601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10671774557 - 2¹⁰ = 10671773533 is a prime.

It is a super-2 number, since 2×10671774557² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10671774857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5335887278 + 5335887279.

It is an arithmetic number, because the mean of its divisors is an integer number (5335887279).

Almost surely, 2^10671774557 is an apocalyptic number.

It is an amenable number.

10671774557 is a deficient number, since it is larger than the sum of its proper divisors (1).

10671774557 is an equidigital number, since it uses as much as digits as its factorization.

10671774557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440600, while the sum is 50.

The spelling of 10671774557 in words is "ten billion, six hundred seventy-one million, seven hundred seventy-four thousand, five hundred fifty-seven".