1133115400 has 48 divisors (see below), whose sum is σ = 2649802500. Its totient is φ = 450612480.

The previous prime is 1133115383. The next prime is 1133115409. The reversal of 1133115400 is 45113311.

It can be written as a sum of positive squares in 6 ways, for example, as 532963396 + 600152004 = 23086^2 + 24498^2 .

It is not an unprimeable number, because it can be changed into a prime (1133115409) 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, 18226 + ... + 50974.

Almost surely, 2^1133115400 is an apocalyptic number.

1133115400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1133115400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1324901250).

1133115400 is an abundant number, since it is smaller than the sum of its proper divisors (1516687100).

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

1133115400 is a wasteful number, since it uses less digits than its factorization.

1133115400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32938 (or 32929 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1133115400 is about 33661.7795132699. The cubic root of 1133115400 is about 1042.5367683283.

Adding to 1133115400 its reverse (45113311), we get a palindrome (1178228711).

The spelling of 1133115400 in words is "one billion, one hundred thirty-three million, one hundred fifteen thousand, four hundred".