10989825181 has 8 divisors (see below), whose sum is σ = 11370955680. Its totient is φ = 10608839472.

The previous prime is 10989825167. The next prime is 10989825227. The reversal of 10989825181 is 18152898901.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 10989825181 - 2⁷ = 10989825053 is a prime.

It is a super-2 number, since 2×10989825181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10989825101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131466 + ... + 198148.

It is an arithmetic number, because the mean of its divisors is an integer number (1421369460).

Almost surely, 2^10989825181 is an apocalyptic number.

It is an amenable number.

10989825181 is a deficient number, since it is larger than the sum of its proper divisors (381130499).

10989825181 is an equidigital number, since it uses as much as digits as its factorization.

10989825181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72395.

The product of its (nonzero) digits is 414720, while the sum is 52.

The spelling of 10989825181 in words is "ten billion, nine hundred eighty-nine million, eight hundred twenty-five thousand, one hundred eighty-one".