11431011354 has 48 divisors (see below), whose sum is σ = 26693647200. Its totient is φ = 3253839456.

The previous prime is 11431011341. The next prime is 11431011359. The reversal of 11431011354 is 45311013411.

It is not an unprimeable number, because it can be changed into a prime (11431011359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6817 + ... + 151355.

It is an arithmetic number, because the mean of its divisors is an integer number (556117650).

Almost surely, 2^11431011354 is an apocalyptic number.

11431011354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11431011354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13346823600).

11431011354 is an abundant number, since it is smaller than the sum of its proper divisors (15262635846).

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

11431011354 is a wasteful number, since it uses less digits than its factorization.

11431011354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144827 (or 144820 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 11431011354 its reverse (45311013411), we get a palindrome (56742024765).

The spelling of 11431011354 in words is "eleven billion, four hundred thirty-one million, eleven thousand, three hundred fifty-four".