10990515 has 16 divisors (see below), whose sum is σ = 17827488. Its totient is φ = 5780736.

The previous prime is 10990489. The next prime is 10990519. The reversal of 10990515 is 51509901.

It is not a de Polignac number, because 10990515 - 2¹⁵ = 10957747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10990519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3924 + ... + 6113.

It is an arithmetic number, because the mean of its divisors is an integer number (1114218).

Almost surely, 2^10990515 is an apocalyptic number.

10990515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10990515 is a deficient number, since it is larger than the sum of its proper divisors (6836973).

10990515 is a wasteful number, since it uses less digits than its factorization.

10990515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118.

The product of its (nonzero) digits is 2025, while the sum is 30.

The square root of 10990515 is about 3315.1945644260. The cubic root of 10990515 is about 222.3340680960.

The spelling of 10990515 in words is "ten million, nine hundred ninety thousand, five hundred fifteen".