11140143432 has 64 divisors (see below), whose sum is σ = 30429207360. Its totient is φ = 3370579200.

The previous prime is 11140143407. The next prime is 11140143437. The reversal of 11140143432 is 23434104111.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11140143437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140082 + ... + 204702.

It is an arithmetic number, because the mean of its divisors is an integer number (475456365).

Almost surely, 2^11140143432 is an apocalyptic number.

11140143432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11140143432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15214603680).

11140143432 is an abundant number, since it is smaller than the sum of its proper divisors (19289063928).

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

11140143432 is a wasteful number, since it uses less digits than its factorization.

11140143432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65294 (or 65290 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11140143432 its reverse (23434104111), we get a palindrome (34574247543).

The spelling of 11140143432 in words is "eleven billion, one hundred forty million, one hundred forty-three thousand, four hundred thirty-two".