11123504416525 has 6 divisors (see below), whose sum is σ = 13793145476522. Its totient is φ = 8898803533200.

The previous prime is 11123504416489. The next prime is 11123504416571. The reversal of 11123504416525 is 52561440532111.

It can be written as a sum of positive squares in 3 ways, for example, as 143115429636 + 10980388986889 = 378306^2 + 3313667^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11123504416525 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222470088306 + ... + 222470088355.

Almost surely, 2^{11123504416525} is an apocalyptic number.

It is an amenable number.

11123504416525 is a deficient number, since it is larger than the sum of its proper divisors (2669641059997).

11123504416525 is an equidigital number, since it uses as much as digits as its factorization.

11123504416525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444940176671 (or 444940176666 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

Adding to 11123504416525 its reverse (52561440532111), we get a palindrome (63684944948636).

The spelling of 11123504416525 in words is "eleven trillion, one hundred twenty-three billion, five hundred four million, four hundred sixteen thousand, five hundred twenty-five".