1133611542 has 48 divisors (see below), whose sum is σ = 2875515552. Its totient is φ = 315987840.

The previous prime is 1133611487. The next prime is 1133611553. The reversal of 1133611542 is 2451163311.

It is a happy number.

1133611542 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 611 + 5 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104553 + ... + 114884.

It is an arithmetic number, because the mean of its divisors is an integer number (59906574).

Almost surely, 2^1133611542 is an apocalyptic number.

1133611542 is an abundant number, since it is smaller than the sum of its proper divisors (1741904010).

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

1133611542 is a wasteful number, since it uses less digits than its factorization.

1133611542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219493 (or 219490 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1133611542 is about 33669.1482220742. The cubic root of 1133611542 is about 1042.6889066431.

Adding to 1133611542 its reverse (2451163311), we get a palindrome (3584774853).

The spelling of 1133611542 in words is "one billion, one hundred thirty-three million, six hundred eleven thousand, five hundred forty-two".