10990065 has 16 divisors (see below), whose sum is σ = 17873856. Its totient is φ = 5764800.

The previous prime is 10990051. The next prime is 10990079. The reversal of 10990065 is 56009901.

It is an interprime number because it is at equal distance from previous prime (10990051) and next prime (10990079).

It is not a de Polignac number, because 10990065 - 2⁵ = 10990033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5091 + ... + 6920.

It is an arithmetic number, because the mean of its divisors is an integer number (1117116).

Almost surely, 2^10990065 is an apocalyptic number.

10990065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10990065 is a deficient number, since it is larger than the sum of its proper divisors (6883791).

10990065 is a wasteful number, since it uses less digits than its factorization.

10990065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12080.

The product of its (nonzero) digits is 2430, while the sum is 30.

The square root of 10990065 is about 3315.1266944115. The cubic root of 10990065 is about 222.3310336098.

Adding to 10990065 its reverse (56009901), we get a palindrome (66999966).

The spelling of 10990065 in words is "ten million, nine hundred ninety thousand, sixty-five".