1113533155 has 32 divisors (see below), whose sum is σ = 1648512000. Its totient is φ = 705167232.

The previous prime is 1113533153. The next prime is 1113533207. The reversal of 1113533155 is 5513353111.

1113533155 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1113533155 - 2¹ = 1113533153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113533153) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505 + ... + 47194.

It is an arithmetic number, because the mean of its divisors is an integer number (51516000).

Almost surely, 2^1113533155 is an apocalyptic number.

1113533155 is a deficient number, since it is larger than the sum of its proper divisors (534978845).

1113533155 is a wasteful number, since it uses less digits than its factorization.

1113533155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47763.

The product of its digits is 3375, while the sum is 28.

The square root of 1113533155 is about 33369.6442144653. The cubic root of 1113533155 is about 1036.4962078244.

Adding to 1113533155 its reverse (5513353111), we get a palindrome (6626886266).

The spelling of 1113533155 in words is "one billion, one hundred thirteen million, five hundred thirty-three thousand, one hundred fifty-five".