1113553530 has 24 divisors (see below), whose sum is σ = 2895239412. Its totient is φ = 296947584.

The previous prime is 1113553489. The next prime is 1113553531. The reversal of 1113553530 is 353553111.

It can be written as a sum of positive squares in 2 ways, for example, as 1113089769 + 463761 = 33363^2 + 681^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1113553494 and 1113553503.

It is not an unprimeable number, because it can be changed into a prime (1113553531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6186319 + ... + 6186498.

Almost surely, 2^1113553530 is an apocalyptic number.

1113553530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1113553530 is an abundant number, since it is smaller than the sum of its proper divisors (1781685882).

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

1113553530 is a wasteful number, since it uses less digits than its factorization.

1113553530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12372830 (or 12372827 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 27.

The square root of 1113553530 is about 33369.9495055057. The cubic root of 1113553530 is about 1036.5025295884.

The spelling of 1113553530 in words is "one billion, one hundred thirteen million, five hundred fifty-three thousand, five hundred thirty".