10781554228 has 12 divisors (see below), whose sum is σ = 19518331140. Its totient is φ = 5204888192.

The previous prime is 10781554219. The next prime is 10781554229. The reversal of 10781554228 is 82245518701.

It can be written as a sum of positive squares in 2 ways, for example, as 2529285264 + 8252268964 = 50292^2 + 90842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10781554229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46472101 + ... + 46472332.

It is an arithmetic number, because the mean of its divisors is an integer number (1626527595).

Almost surely, 2^10781554228 is an apocalyptic number.

It is an amenable number.

10781554228 is a deficient number, since it is larger than the sum of its proper divisors (8736776912).

10781554228 is a wasteful number, since it uses less digits than its factorization.

10781554228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92944466 (or 92944464 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 43.

The spelling of 10781554228 in words is "ten billion, seven hundred eighty-one million, five hundred fifty-four thousand, two hundred twenty-eight".