1135544550 has 96 divisors (see below), whose sum is σ = 3224793600. Its totient is φ = 259042560.

The previous prime is 1135544537. The next prime is 1135544551. The reversal of 1135544550 is 554455311.

It is a super-2 number, since 2×1135544550² = 2578922850069405000, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1135544551) 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, 880306 + ... + 881594.

It is an arithmetic number, because the mean of its divisors is an integer number (33591600).

Almost surely, 2^1135544550 is an apocalyptic number.

1135544550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1135544550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1612396800).

1135544550 is an abundant number, since it is smaller than the sum of its proper divisors (2089249050).

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

1135544550 is a wasteful number, since it uses less digits than its factorization.

1135544550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150 (or 2145 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1135544550 is about 33697.8419190310. The cubic root of 1135544550 is about 1043.2812263805.

Adding to 1135544550 its reverse (554455311), we get a palindrome (1689999861).

The spelling of 1135544550 in words is "one billion, one hundred thirty-five million, five hundred forty-four thousand, five hundred fifty".