11425520 has 40 divisors (see below), whose sum is σ = 26717040. Its totient is φ = 4544000.

The previous prime is 11425501. The next prime is 11425537. The reversal of 11425520 is 2552411.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11425492 and 11425501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19796 + ... + 20364.

It is an arithmetic number, because the mean of its divisors is an integer number (667926).

Almost surely, 2^11425520 is an apocalyptic number.

11425520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11425520 is an abundant number, since it is smaller than the sum of its proper divisors (15291520).

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

11425520 is a wasteful number, since it uses less digits than its factorization.

11425520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833 (or 827 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 11425520 is about 3380.1656764129. The cubic root of 11425520 is about 225.2295270920.

Adding to 11425520 its reverse (2552411), we get a palindrome (13977931).

The spelling of 11425520 in words is "eleven million, four hundred twenty-five thousand, five hundred twenty".