11850749544 has 128 divisors (see below), whose sum is σ = 31357497600. Its totient is φ = 3726428160.

The previous prime is 11850749531. The next prime is 11850749551. The reversal of 11850749544 is 44594705811.

It is a junction number, because it is equal to n+sod(n) for n = 11850749493 and 11850749502.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11471652 + ... + 11472684.

It is an arithmetic number, because the mean of its divisors is an integer number (244980450).

Almost surely, 2^11850749544 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 11850749544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15678748800).

11850749544 is an abundant number, since it is smaller than the sum of its proper divisors (19506748056).

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

11850749544 is a wasteful number, since it uses less digits than its factorization.

11850749544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435 (or 1431 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 11850749544 in words is "eleven billion, eight hundred fifty million, seven hundred forty-nine thousand, five hundred forty-four".