11111038704 has 160 divisors (see below), whose sum is σ = 34593410880. Its totient is φ = 3400704000.

The previous prime is 11111038669. The next prime is 11111038711. The reversal of 11111038704 is 40783011111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282654 + ... + 319554.

It is an arithmetic number, because the mean of its divisors is an integer number (216208818).

Almost surely, 2^11111038704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11111038704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17296705440).

11111038704 is an abundant number, since it is smaller than the sum of its proper divisors (23482372176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11111038704 is a wasteful number, since it uses less digits than its factorization.

11111038704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36976 (or 36964 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 27.

Adding to 11111038704 its reverse (40783011111), we get a palindrome (51894049815).

The spelling of 11111038704 in words is "eleven billion, one hundred eleven million, thirty-eight thousand, seven hundred four".