1115534142 has 24 divisors (see below), whose sum is σ = 2462596344. Its totient is φ = 364828464.

The previous prime is 1115534131. The next prime is 1115534159. The reversal of 1115534142 is 2414355111.

1115534142 is a `hidden beast` number, since 1 + 115 + 534 + 14 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 583708 + ... + 585615.

It is an arithmetic number, because the mean of its divisors is an integer number (102608181).

Almost surely, 2^1115534142 is an apocalyptic number.

1115534142 is an abundant number, since it is smaller than the sum of its proper divisors (1347062202).

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

1115534142 is a wasteful number, since it uses less digits than its factorization.

1115534142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169384 (or 1169381 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 1115534142 is about 33399.6129019484. The cubic root of 1115534142 is about 1037.1166875863.

Adding to 1115534142 its reverse (2414355111), we get a palindrome (3529889253).

The spelling of 1115534142 in words is "one billion, one hundred fifteen million, five hundred thirty-four thousand, one hundred forty-two".