11110399065 has 12 divisors (see below), whose sum is σ = 19258025124. Its totient is φ = 5925546144.

The previous prime is 11110399019. The next prime is 11110399123. The reversal of 11110399065 is 56099301111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4146329664 + 6964069401 = 64392^2 + 83451^2 .

It is not a de Polignac number, because 11110399065 - 2¹¹ = 11110397017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123448834 + ... + 123448923.

It is an arithmetic number, because the mean of its divisors is an integer number (1604835427).

Almost surely, 2^11110399065 is an apocalyptic number.

11110399065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11110399065 is a deficient number, since it is larger than the sum of its proper divisors (8147626059).

11110399065 is a wasteful number, since it uses less digits than its factorization.

11110399065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246897768 (or 246897765 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The spelling of 11110399065 in words is "eleven billion, one hundred ten million, three hundred ninety-nine thousand, sixty-five".