11320403525 has 12 divisors (see below), whose sum is σ = 14038622304. Its totient is φ = 9055470000.

The previous prime is 11320403519. The next prime is 11320403537. The reversal of 11320403525 is 52530402311.

It is a happy number.

It is not a de Polignac number, because 11320403525 - 2⁶ = 11320403461 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11320403494 and 11320403503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488450 + ... + 511100.

It is an arithmetic number, because the mean of its divisors is an integer number (1169885192).

Almost surely, 2^11320403525 is an apocalyptic number.

It is an amenable number.

11320403525 is a deficient number, since it is larger than the sum of its proper divisors (2718218779).

11320403525 is a wasteful number, since it uses less digits than its factorization.

11320403525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42652 (or 42647 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 11320403525 its reverse (52530402311), we get a palindrome (63850805836).

The spelling of 11320403525 in words is "eleven billion, three hundred twenty million, four hundred three thousand, five hundred twenty-five".