11130256662 has 64 divisors (see below), whose sum is σ = 26002944000. Its totient is φ = 3110326560.

The previous prime is 11130256649. The next prime is 11130256663. The reversal of 11130256662 is 26665203111.

It is a super-2 number, since 2×11130256662² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130256663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 481837 + ... + 504407.

It is an arithmetic number, because the mean of its divisors is an integer number (406296000).

Almost surely, 2^11130256662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11130256662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13001472000).

11130256662 is an abundant number, since it is smaller than the sum of its proper divisors (14872687338).

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

11130256662 is a wasteful number, since it uses less digits than its factorization.

11130256662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22841.

The product of its (nonzero) digits is 12960, while the sum is 33.

Adding to 11130256662 its reverse (26665203111), we get a palindrome (37795459773).

The spelling of 11130256662 in words is "eleven billion, one hundred thirty million, two hundred fifty-six thousand, six hundred sixty-two".