1131141552 has 20 divisors (see below), whose sum is σ = 2922115800. Its totient is φ = 377047168.

The previous prime is 1131141533. The next prime is 1131141577. The reversal of 1131141552 is 2551411311.

1131141552 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11782677 + ... + 11782772.

It is an arithmetic number, because the mean of its divisors is an integer number (146105790).

Almost surely, 2^1131141552 is an apocalyptic number.

1131141552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1131141552 is an abundant number, since it is smaller than the sum of its proper divisors (1790974248).

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

1131141552 is a wasteful number, since it uses less digits than its factorization.

1131141552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23565460 (or 23565454 counting only the distinct ones).

The product of its digits is 600, while the sum is 24.

The square root of 1131141552 is about 33632.4479037729. The cubic root of 1131141552 is about 1041.9310621044.

Adding to 1131141552 its reverse (2551411311), we get a palindrome (3682552863).

The spelling of 1131141552 in words is "one billion, one hundred thirty-one million, one hundred forty-one thousand, five hundred fifty-two".