1131142524 has 48 divisors (see below), whose sum is σ = 2671119360. Its totient is φ = 372533760.

The previous prime is 1131142499. The next prime is 1131142547. The reversal of 1131142524 is 4252411311.

It is a junction number, because it is equal to n+sod(n) for n = 1131142494 and 1131142503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370444 + ... + 373484.

It is an arithmetic number, because the mean of its divisors is an integer number (55648320).

Almost surely, 2^1131142524 is an apocalyptic number.

It is an amenable number.

1131142524 is an abundant number, since it is smaller than the sum of its proper divisors (1539976836).

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

1131142524 is a wasteful number, since it uses less digits than its factorization.

1131142524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410 (or 3408 counting only the distinct ones).

The product of its digits is 960, while the sum is 24.

The square root of 1131142524 is about 33632.4623541007. The cubic root of 1131142524 is about 1041.9313605512.

Adding to 1131142524 its reverse (4252411311), we get a palindrome (5383553835).

It can be divided in two parts, 11311 and 42524, that added together give a palindrome (53835).

The spelling of 1131142524 in words is "one billion, one hundred thirty-one million, one hundred forty-two thousand, five hundred twenty-four".