10981826858 has 8 divisors (see below), whose sum is σ = 16556358852. Its totient is φ = 5463040576.

The previous prime is 10981826839. The next prime is 10981826897. The reversal of 10981826858 is 85862818901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6662314129 + 4319512729 = 81623^2 + 65723^2 .

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

It is a super-2 number, since 2×10981826858² (a number of 21 digits) contains 22 as substring.

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, 13935935 + ... + 13936722.

Almost surely, 2^10981826858 is an apocalyptic number.

10981826858 is a deficient number, since it is larger than the sum of its proper divisors (5574531994).

10981826858 is a wasteful number, since it uses less digits than its factorization.

10981826858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27872856.

The product of its (nonzero) digits is 2211840, while the sum is 56.

The spelling of 10981826858 in words is "ten billion, nine hundred eighty-one million, eight hundred twenty-six thousand, eight hundred fifty-eight".