10989278472 has 32 divisors (see below), whose sum is σ = 27739932480. Its totient is φ = 3627528000.

The previous prime is 10989278467. The next prime is 10989278477. The reversal of 10989278472 is 27487298901.

It is an interprime number because it is at equal distance from previous prime (10989278467) and next prime (10989278477).

It is not an unprimeable number, because it can be changed into a prime (10989278477) 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, 2220279 + ... + 2225222.

It is an arithmetic number, because the mean of its divisors is an integer number (866872890).

Almost surely, 2^10989278472 is an apocalyptic number.

10989278472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10989278472 is an abundant number, since it is smaller than the sum of its proper divisors (16750654008).

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

10989278472 is a wasteful number, since it uses less digits than its factorization.

10989278472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445613 (or 4445609 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 57.

The spelling of 10989278472 in words is "ten billion, nine hundred eighty-nine million, two hundred seventy-eight thousand, four hundred seventy-two".