1113025155 has 48 divisors (see below), whose sum is σ = 2005329312. Its totient is φ = 526451200.

The previous prime is 1113025141. The next prime is 1113025159. The reversal of 1113025155 is 5515203111.

It is not a de Polignac number, because 1113025155 - 2¹⁰ = 1113024131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113025159) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 66937 + ... + 81893.

It is an arithmetic number, because the mean of its divisors is an integer number (41777694).

Almost surely, 2^1113025155 is an apocalyptic number.

1113025155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1113025155 is a deficient number, since it is larger than the sum of its proper divisors (892304157).

1113025155 is a wasteful number, since it uses less digits than its factorization.

1113025155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15028 (or 15017 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 1113025155 is about 33362.0316377765. The cubic root of 1113025155 is about 1036.3385654103.

Adding to 1113025155 its reverse (5515203111), we get a palindrome (6628228266).

The spelling of 1113025155 in words is "one billion, one hundred thirteen million, twenty-five thousand, one hundred fifty-five".