1113521552 has 40 divisors (see below), whose sum is σ = 2534629440. Its totient is φ = 467210880.

The previous prime is 1113521533. The next prime is 1113521587. The reversal of 1113521552 is 2551253111.

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 241052 + ... + 245627.

It is an arithmetic number, because the mean of its divisors is an integer number (63365736).

Almost surely, 2^1113521552 is an apocalyptic number.

It is an amenable number.

1113521552 is an abundant number, since it is smaller than the sum of its proper divisors (1421107888).

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

1113521552 is a wasteful number, since it uses less digits than its factorization.

1113521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486711 (or 486705 counting only the distinct ones).

The product of its digits is 1500, while the sum is 26.

The square root of 1113521552 is about 33369.4703583980. The cubic root of 1113521552 is about 1036.4926077198.

Adding to 1113521552 its reverse (2551253111), we get a palindrome (3664774663).

The spelling of 1113521552 in words is "one billion, one hundred thirteen million, five hundred twenty-one thousand, five hundred fifty-two".