10881850690 has 8 divisors (see below), whose sum is σ = 19587331260. Its totient is φ = 4352740272.

The previous prime is 10881850669. The next prime is 10881850717. The reversal of 10881850690 is 9605818801.

It can be written as a sum of positive squares in 2 ways, for example, as 10369145241 + 512705449 = 101829^2 + 22643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10881850690² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10881850690.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 544092525 + ... + 544092544.

Almost surely, 2^10881850690 is an apocalyptic number.

10881850690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10881850690 is a deficient number, since it is larger than the sum of its proper divisors (8705480570).

10881850690 is a wasteful number, since it uses less digits than its factorization.

10881850690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088185076.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 10881850690 in words is "ten billion, eight hundred eighty-one million, eight hundred fifty thousand, six hundred ninety".