11125023523 has 4 divisors (see below), whose sum is σ = 11125442160. Its totient is φ = 11124604888.

The previous prime is 11125023493. The next prime is 11125023527. The reversal of 11125023523 is 32532052111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11125023523 - 2⁹ = 11125023011 is a prime.

It is a super-3 number, since 3×11125023523³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11125023527) 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, 166543 + ... + 223576.

It is an arithmetic number, because the mean of its divisors is an integer number (2781360540).

Almost surely, 2^11125023523 is an apocalyptic number.

11125023523 is a deficient number, since it is larger than the sum of its proper divisors (418637).

11125023523 is an equidigital number, since it uses as much as digits as its factorization.

11125023523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418636.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 11125023523 its reverse (32532052111), we get a palindrome (43657075634).

The spelling of 11125023523 in words is "eleven billion, one hundred twenty-five million, twenty-three thousand, five hundred twenty-three".