11131202240 has 112 divisors (see below), whose sum is σ = 28305434880. Its totient is φ = 4160163840.

The previous prime is 11131202227. The next prime is 11131202339. The reversal of 11131202240 is 4220213111.

It is a super-3 number, since 3×11131202240³ (a number of 31 digits) contains 333 as substring.

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, 268334 + ... + 307026.

Almost surely, 2^11131202240 is an apocalyptic number.

11131202240 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 11131202240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152717440).

11131202240 is an abundant number, since it is smaller than the sum of its proper divisors (17174232640).

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

11131202240 is a wasteful number, since it uses less digits than its factorization.

11131202240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38770 (or 38760 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 11131202240 its reverse (4220213111), we get a palindrome (15351415351).

The spelling of 11131202240 in words is "eleven billion, one hundred thirty-one million, two hundred two thousand, two hundred forty".