10861781337 has 24 divisors (see below), whose sum is σ = 17332199040. Its totient is φ = 6499565280.

The previous prime is 10861781323. The next prime is 10861781347. The reversal of 10861781337 is 73318716801.

10861781337 is a `hidden beast` number, since 10 + 8 + 617 + 8 + 13 + 3 + 7 = 666.

It is not a de Polignac number, because 10861781337 - 2¹⁶ = 10861715801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10861781292 and 10861781301.

It is not an unprimeable number, because it can be changed into a prime (10861781347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 686578 + ... + 702219.

It is an arithmetic number, because the mean of its divisors is an integer number (722174960).

Almost surely, 2^10861781337 is an apocalyptic number.

It is an amenable number.

10861781337 is a deficient number, since it is larger than the sum of its proper divisors (6470417703).

10861781337 is a wasteful number, since it uses less digits than its factorization.

10861781337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388893 (or 1388890 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 10861781337 in words is "ten billion, eight hundred sixty-one million, seven hundred eighty-one thousand, three hundred thirty-seven".