11312341040 has 160 divisors (see below), whose sum is σ = 35313739776. Its totient is φ = 3254676480.

The previous prime is 11312341013. The next prime is 11312341063. The reversal of 11312341040 is 4014321311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9449 + ... + 150711.

Almost surely, 2^11312341040 is an apocalyptic number.

11312341040 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 11312341040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17656869888).

11312341040 is an abundant number, since it is smaller than the sum of its proper divisors (24001398736).

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

11312341040 is a wasteful number, since it uses less digits than its factorization.

11312341040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141307 (or 141301 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11312341040 its reverse (4014321311), we get a palindrome (15326662351).

The spelling of 11312341040 in words is "eleven billion, three hundred twelve million, three hundred forty-one thousand, forty".