5511121300 has 36 divisors (see below), whose sum is σ = 12213593280. Its totient is φ = 2157543520.

The previous prime is 5511121283. The next prime is 5511121303. The reversal of 5511121300 is 31211155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511121303) 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, 581590 + ... + 590989.

It is an arithmetic number, because the mean of its divisors is an integer number (339266480).

Almost surely, 2^5511121300 is an apocalyptic number.

5511121300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5511121300 is an abundant number, since it is smaller than the sum of its proper divisors (6702471980).

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

5511121300 is a wasteful number, since it uses less digits than its factorization.

5511121300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172640 (or 1172633 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 5511121300 is about 74236.9267952277. The cubic root of 5511121300 is about 1766.3631261262.

Adding to 5511121300 its reverse (31211155), we get a palindrome (5542332455).

The spelling of 5511121300 in words is "five billion, five hundred eleven million, one hundred twenty-one thousand, three hundred".