10990143 has 24 divisors (see below), whose sum is σ = 16988400. Its totient is φ = 6822144.

The previous prime is 10990141. The next prime is 10990169. The reversal of 10990143 is 34109901.

It is not a de Polignac number, because 10990143 - 2¹ = 10990141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10990141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16348 + ... + 17006.

It is an arithmetic number, because the mean of its divisors is an integer number (707850).

Almost surely, 2^10990143 is an apocalyptic number.

10990143 is a deficient number, since it is larger than the sum of its proper divisors (5998257).

10990143 is a wasteful number, since it uses less digits than its factorization.

10990143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 788 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 10990143 is about 3315.1384586469. The cubic root of 10990143 is about 222.3315595934.

The spelling of 10990143 in words is "ten million, nine hundred ninety thousand, one hundred forty-three".