1115542135 has 8 divisors (see below), whose sum is σ = 1343382480. Its totient is φ = 889279104.

The previous prime is 1115542111. The next prime is 1115542147. The reversal of 1115542135 is 5312455111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1115542135 - 2⁷ = 1115542007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392770 + ... + 395599.

It is an arithmetic number, because the mean of its divisors is an integer number (167922810).

Almost surely, 2^1115542135 is an apocalyptic number.

1115542135 is a deficient number, since it is larger than the sum of its proper divisors (227840345).

1115542135 is an equidigital number, since it uses as much as digits as its factorization.

1115542135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788657.

The product of its digits is 3000, while the sum is 28.

The square root of 1115542135 is about 33399.7325588095. The cubic root of 1115542135 is about 1037.1191646221.

Adding to 1115542135 its reverse (5312455111), we get a palindrome (6427997246).

The spelling of 1115542135 in words is "one billion, one hundred fifteen million, five hundred forty-two thousand, one hundred thirty-five".