1131534355 has 32 divisors (see below), whose sum is σ = 1570157568. Its totient is φ = 766800000.

The previous prime is 1131534347. The next prime is 1131534367. The reversal of 1131534355 is 5534351311.

It is not a de Polignac number, because 1131534355 - 2³ = 1131534347 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1326109 + ... + 1326961.

It is an arithmetic number, because the mean of its divisors is an integer number (49067424).

Almost surely, 2^1131534355 is an apocalyptic number.

1131534355 is a deficient number, since it is larger than the sum of its proper divisors (438623213).

1131534355 is a wasteful number, since it uses less digits than its factorization.

1131534355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267.

The product of its digits is 13500, while the sum is 31.

The square root of 1131534355 is about 33638.2870402165. The cubic root of 1131534355 is about 1042.0516559948.

Adding to 1131534355 its reverse (5534351311), we get a palindrome (6665885666).

The spelling of 1131534355 in words is "one billion, one hundred thirty-one million, five hundred thirty-four thousand, three hundred fifty-five".