11125520 has 40 divisors (see below), whose sum is σ = 29563584. Its totient is φ = 3814272.

The previous prime is 11125489. The next prime is 11125547. The reversal of 11125520 is 2552111.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9374 + ... + 10493.

Almost surely, 2^11125520 is an apocalyptic number.

11125520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11125520 is an abundant number, since it is smaller than the sum of its proper divisors (18438064).

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

11125520 is a wasteful number, since it uses less digits than its factorization.

11125520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19887 (or 19881 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 11125520 is about 3335.4939664164. The cubic root of 11125520 is about 223.2407328785.

Adding to 11125520 its reverse (2552111), we get a palindrome (13677631).

The spelling of 11125520 in words is "eleven million, one hundred twenty-five thousand, five hundred twenty".