10985306432 has 56 divisors (see below), whose sum is σ = 23116617216. Its totient is φ = 5161637888.

The previous prime is 10985306429. The next prime is 10985306491. The reversal of 10985306432 is 23460358901.

It is a self number, because there is not a number n which added to its sum of digits gives 10985306432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735713 + ... + 750495.

It is an arithmetic number, because the mean of its divisors is an integer number (412796736).

Almost surely, 2^10985306432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10985306432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11558308608).

10985306432 is an abundant number, since it is smaller than the sum of its proper divisors (12131310784).

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

10985306432 is a wasteful number, since it uses less digits than its factorization.

10985306432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15495 (or 15485 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 10985306432 in words is "ten billion, nine hundred eighty-five million, three hundred six thousand, four hundred thirty-two".