11038690111 has 4 divisors (see below), whose sum is σ = 11040389424. Its totient is φ = 11036990800.

The previous prime is 11038690079. The next prime is 11038690133. The reversal of 11038690111 is 11109683011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11038690111 - 2⁵ = 11038690079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11038690171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839875 + ... + 852916.

It is an arithmetic number, because the mean of its divisors is an integer number (2760097356).

Almost surely, 2^11038690111 is an apocalyptic number.

11038690111 is a deficient number, since it is larger than the sum of its proper divisors (1699313).

11038690111 is an equidigital number, since it uses as much as digits as its factorization.

11038690111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699312.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 11038690111 in words is "eleven billion, thirty-eight million, six hundred ninety thousand, one hundred eleven".