11263011540 has 144 divisors (see below), whose sum is σ = 34916521920. Its totient is φ = 2710540800.

The previous prime is 11263011533. The next prime is 11263011569. The reversal of 11263011540 is 4511036211.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11263011540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1003560 + ... + 1014720.

Almost surely, 2^11263011540 is an apocalyptic number.

11263011540 is a gapful number since it is divisible by the number (10) 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 11263011540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17458260960).

11263011540 is an abundant number, since it is smaller than the sum of its proper divisors (23653510380).

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

11263011540 is a wasteful number, since it uses less digits than its factorization.

11263011540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11334 (or 11321 counting only the distinct ones).

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

Adding to 11263011540 its reverse (4511036211), we get a palindrome (15774047751).

The spelling of 11263011540 in words is "eleven billion, two hundred sixty-three million, eleven thousand, five hundred forty".