10889945936 has 40 divisors (see below), whose sum is σ = 21203721000. Its totient is φ = 5418076160.

The previous prime is 10889945923. The next prime is 10889945971. The reversal of 10889945936 is 63954998801.

It can be written as a sum of positive squares in 4 ways, for example, as 6716785936 + 4173160000 = 81956^2 + 64600^2 .

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, 4715150 + ... + 4717458.

It is an arithmetic number, because the mean of its divisors is an integer number (530093025).

Almost surely, 2^10889945936 is an apocalyptic number.

10889945936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10889945936 is a deficient number, since it is larger than the sum of its proper divisors (10313775064).

10889945936 is a wasteful number, since it uses less digits than its factorization.

10889945936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 62.

The spelling of 10889945936 in words is "ten billion, eight hundred eighty-nine million, nine hundred forty-five thousand, nine hundred thirty-six".