11130123522 has 96 divisors (see below), whose sum is σ = 27274724352. Its totient is φ = 3013149216.

The previous prime is 11130123497. The next prime is 11130123553. The reversal of 11130123522 is 22532103111.

It is a super-2 number, since 2×11130123522² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 715843 + ... + 731225.

It is an arithmetic number, because the mean of its divisors is an integer number (284111712).

Almost surely, 2^11130123522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11130123522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13637362176).

11130123522 is an abundant number, since it is smaller than the sum of its proper divisors (16144600830).

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

11130123522 is a wasteful number, since it uses less digits than its factorization.

11130123522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15532 (or 15525 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 11130123522 its reverse (22532103111), we get a palindrome (33662226633).

The spelling of 11130123522 in words is "eleven billion, one hundred thirty million, one hundred twenty-three thousand, five hundred twenty-two".