11431440250552 has 64 divisors (see below), whose sum is σ = 24876911946240. Its totient is φ = 4823194723200.

The previous prime is 11431440250523. The next prime is 11431440250591. The reversal of 11431440250552 is 25505204413411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 667018 + ... + 4827814.

It is an arithmetic number, because the mean of its divisors is an integer number (388701749160).

Almost surely, 2^{11431440250552} 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 11431440250552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12438455973120).

11431440250552 is an abundant number, since it is smaller than the sum of its proper divisors (13445471695688).

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

11431440250552 is a wasteful number, since it uses less digits than its factorization.

11431440250552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161572 (or 4161568 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 11431440250552 its reverse (25505204413411), we get a palindrome (36936644663963).

The spelling of 11431440250552 in words is "eleven trillion, four hundred thirty-one billion, four hundred forty million, two hundred fifty thousand, five hundred fifty-two".