10989064515 has 96 divisors (see below), whose sum is σ = 21050729280. Its totient is φ = 4861992960.

The previous prime is 10989064397. The next prime is 10989064517. The reversal of 10989064515 is 51546098901.

It is not a de Polignac number, because 10989064515 - 2¹¹ = 10989062467 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10989064517) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2097339 + ... + 2102571.

It is an arithmetic number, because the mean of its divisors is an integer number (219278430).

Almost surely, 2^10989064515 is an apocalyptic number.

10989064515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10989064515 is a deficient number, since it is larger than the sum of its proper divisors (10061664765).

10989064515 is a wasteful number, since it uses less digits than its factorization.

10989064515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5365 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 48.

The spelling of 10989064515 in words is "ten billion, nine hundred eighty-nine million, sixty-four thousand, five hundred fifteen".