11112520 has 16 divisors (see below), whose sum is σ = 25003260. Its totient is φ = 4444992.

The previous prime is 11112503. The next prime is 11112527. The reversal of 11112520 is 2521111.

It can be written as a sum of positive squares in 2 ways, for example, as 10745284 + 367236 = 3278^2 + 606^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11112520.

It is not an unprimeable number, because it can be changed into a prime (11112527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138867 + ... + 138946.

Almost surely, 2^11112520 is an apocalyptic number.

11112520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112520 is an abundant number, since it is smaller than the sum of its proper divisors (13890740).

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

11112520 is a wasteful number, since it uses less digits than its factorization.

11112520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277824 (or 277820 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 11112520 is about 3333.5446599678. The cubic root of 11112520 is about 223.1537478619.

Adding to 11112520 its reverse (2521111), we get a palindrome (13633631).

The spelling of 11112520 in words is "eleven million, one hundred twelve thousand, five hundred twenty".