10989531892116 has 30 divisors (see below), whose sum is σ = 28728807138570. Its totient is φ = 3663177297264.

The previous prime is 10989531892063. The next prime is 10989531892133. The reversal of 10989531892116 is 61129813598901.

10989531892116 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 9 + 531 + 8 + 92 + 1 + 1 + 6 = 666.

10989531892116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7594136016516 + 3395395875600 = 2755746^2 + 1842660^2 .

It is a super-2 number, since 2×10989531892116² (a number of 27 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 16959153831 + ... + 16959154478.

It is an arithmetic number, because the mean of its divisors is an integer number (957626904619).

Almost surely, 2^{10989531892116} is an apocalyptic number.

It is an amenable number.

10989531892116 is an abundant number, since it is smaller than the sum of its proper divisors (17739275246454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10989531892116 is a wasteful number, since it uses less digits than its factorization.

10989531892116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33918308325 (or 33918308314 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 63.

The spelling of 10989531892116 in words is "ten trillion, nine hundred eighty-nine billion, five hundred thirty-one million, eight hundred ninety-two thousand, one hundred sixteen".