11131231352 has 16 divisors (see below), whose sum is σ = 20873459160. Its totient is φ = 5564975584.

The previous prime is 11131231351. The next prime is 11131231373. The reversal of 11131231352 is 25313213111.

It is a super-2 number, since 2×11131231352² (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 (11131231351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1583 + ... + 149214.

Almost surely, 2^11131231352 is an apocalyptic number.

It is an amenable number.

11131231352 is a deficient number, since it is larger than the sum of its proper divisors (9742227808).

11131231352 is a wasteful number, since it uses less digits than its factorization.

11131231352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160030 (or 160026 counting only the distinct ones).

The product of its digits is 540, while the sum is 23.

Adding to 11131231352 its reverse (25313213111), we get a palindrome (36444444463).

The spelling of 11131231352 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-one thousand, three hundred fifty-two".