11125200520 has 64 divisors (see below), whose sum is σ = 30290474880. Its totient is φ = 3589979136.

The previous prime is 11125200461. The next prime is 11125200521. The reversal of 11125200520 is 2500252111.

It is a super-2 number, since 2×11125200520² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11125200521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1163854 + ... + 1173373.

It is an arithmetic number, because the mean of its divisors is an integer number (473288670).

Almost surely, 2^11125200520 is an apocalyptic number.

11125200520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11125200520 is an abundant number, since it is smaller than the sum of its proper divisors (19165274360).

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

11125200520 is a wasteful number, since it uses less digits than its factorization.

11125200520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2337262 (or 2337258 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 11125200520 its reverse (2500252111), we get a palindrome (13625452631).

The spelling of 11125200520 in words is "eleven billion, one hundred twenty-five million, two hundred thousand, five hundred twenty".