10851764544 has 84 divisors (see below), whose sum is σ = 31863342420. Its totient is φ = 3529021440.

The previous prime is 10851764537. The next prime is 10851764549. The reversal of 10851764544 is 44546715801.

10851764544 is a `hidden beast` number, since 10 + 85 + 17 + 6 + 4 + 544 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4971942144 + 5879822400 = 70512^2 + 76680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10851764544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10851764549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 206139 + ... + 253370.

It is an arithmetic number, because the mean of its divisors is an integer number (379325505).

Almost surely, 2^10851764544 is an apocalyptic number.

It is an amenable number.

10851764544 is an abundant number, since it is smaller than the sum of its proper divisors (21011577876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10851764544 is a wasteful number, since it uses less digits than its factorization.

10851764544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459568 (or 459555 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 10851764544 in words is "ten billion, eight hundred fifty-one million, seven hundred sixty-four thousand, five hundred forty-four".