11481143750 has 48 divisors (see below), whose sum is σ = 21829790304. Its totient is φ = 4527600000.

The previous prime is 11481143747. The next prime is 11481143797. The reversal of 11481143750 is 5734118411.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11481143750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 430814 + ... + 456686.

It is an arithmetic number, because the mean of its divisors is an integer number (454787298).

Almost surely, 2^11481143750 is an apocalyptic number.

11481143750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11481143750 is a deficient number, since it is larger than the sum of its proper divisors (10348646554).

11481143750 is an frugal number, since it uses more digits than its factorization.

11481143750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25971 (or 25951 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 11481143750 in words is "eleven billion, four hundred eighty-one million, one hundred forty-three thousand, seven hundred fifty".