11523425256 has 128 divisors (see below), whose sum is σ = 37329120000. Its totient is φ = 3292386048.

The previous prime is 11523425237. The next prime is 11523425257. The reversal of 11523425256 is 65252432511.

11523425256 is a `hidden beast` number, since 11 + 52 + 342 + 5 + 256 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11523425256.

It is not an unprimeable number, because it can be changed into a prime (11523425257) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3681 + ... + 151856.

It is an arithmetic number, because the mean of its divisors is an integer number (291633750).

Almost surely, 2^11523425256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11523425256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18664560000).

11523425256 is an abundant number, since it is smaller than the sum of its proper divisors (25805694744).

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

11523425256 is a wasteful number, since it uses less digits than its factorization.

11523425256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155573 (or 155549 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

Adding to 11523425256 its reverse (65252432511), we get a palindrome (76775857767).

The spelling of 11523425256 in words is "eleven billion, five hundred twenty-three million, four hundred twenty-five thousand, two hundred fifty-six".