1113156452 has 12 divisors (see below), whose sum is σ = 1972682880. Its totient is φ = 549532776.

The previous prime is 1113156427. The next prime is 1113156467. The reversal of 1113156452 is 2546513111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1761008 + ... + 1761639.

It is an arithmetic number, because the mean of its divisors is an integer number (164390240).

Almost surely, 2^1113156452 is an apocalyptic number.

It is an amenable number.

1113156452 is a deficient number, since it is larger than the sum of its proper divisors (859526428).

1113156452 is a wasteful number, since it uses less digits than its factorization.

1113156452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3522730 (or 3522728 counting only the distinct ones).

The product of its digits is 3600, while the sum is 29.

The square root of 1113156452 is about 33363.9993406066. Note that the first 3 decimals coincide. The cubic root of 1113156452 is about 1036.3793140535.

Adding to 1113156452 its reverse (2546513111), we get a palindrome (3659669563).

The spelling of 1113156452 in words is "one billion, one hundred thirteen million, one hundred fifty-six thousand, four hundred fifty-two".