11102239656 has 96 divisors (see below), whose sum is σ = 31407442560. Its totient is φ = 3536286336.

The previous prime is 11102239639. The next prime is 11102239667. The reversal of 11102239656 is 65693220111.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11102239656.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2005965 + ... + 2011491.

It is an arithmetic number, because the mean of its divisors is an integer number (327160860).

Almost surely, 2^11102239656 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 11102239656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15703721280).

11102239656 is an abundant number, since it is smaller than the sum of its proper divisors (20305202904).

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

11102239656 is a wasteful number, since it uses less digits than its factorization.

11102239656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775 (or 6768 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

Adding to 11102239656 its reverse (65693220111), we get a palindrome (76795459767).

The spelling of 11102239656 in words is "eleven billion, one hundred two million, two hundred thirty-nine thousand, six hundred fifty-six".