10557544777 has 16 divisors (see below), whose sum is σ = 11448162432. Its totient is φ = 9678251520.

The previous prime is 10557544759. The next prime is 10557544787. The reversal of 10557544777 is 77744575501.

10557544777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10557544777 - 2³¹ = 8410061129 is a prime.

It is a super-2 number, since 2×10557544777² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10557544757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4377702 + ... + 4380112.

It is an arithmetic number, because the mean of its divisors is an integer number (715510152).

Almost surely, 2^10557544777 is an apocalyptic number.

It is an amenable number.

10557544777 is a deficient number, since it is larger than the sum of its proper divisors (890617655).

10557544777 is a wasteful number, since it uses less digits than its factorization.

10557544777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 4802000, while the sum is 52.

The spelling of 10557544777 in words is "ten billion, five hundred fifty-seven million, five hundred forty-four thousand, seven hundred seventy-seven".