11311146522 has 24 divisors (see below), whose sum is σ = 26392675764. Its totient is φ = 3480352704.

The previous prime is 11311146479. The next prime is 11311146523. The reversal of 11311146522 is 22564111311.

11311146522 is a `hidden beast` number, since 1 + 1 + 3 + 1 + 1 + 1 + 4 + 652 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10083975561 + 1227170961 = 100419^2 + 35031^2 .

It is a super-3 number, since 3×11311146522³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11311146523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24168883 + ... + 24169350.

Almost surely, 2^11311146522 is an apocalyptic number.

11311146522 is an abundant number, since it is smaller than the sum of its proper divisors (15081529242).

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

11311146522 is a wasteful number, since it uses less digits than its factorization.

11311146522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48338254 (or 48338251 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

Adding to 11311146522 its reverse (22564111311), we get a palindrome (33875257833).

The spelling of 11311146522 in words is "eleven billion, three hundred eleven million, one hundred forty-six thousand, five hundred twenty-two".