11081340340 has 24 divisors (see below), whose sum is σ = 26595217152. Its totient is φ = 3799316640.

The previous prime is 11081340331. The next prime is 11081340461. The reversal of 11081340340 is 4304318011.

It is a super-2 number, since 2×11081340340² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39576076 + ... + 39576355.

It is an arithmetic number, because the mean of its divisors is an integer number (1108134048).

Almost surely, 2^11081340340 is an apocalyptic number.

11081340340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11081340340 is an abundant number, since it is smaller than the sum of its proper divisors (15513876812).

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

11081340340 is a wasteful number, since it uses less digits than its factorization.

11081340340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79152447 (or 79152445 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 11081340340 its reverse (4304318011), we get a palindrome (15385658351).

The spelling of 11081340340 in words is "eleven billion, eighty-one million, three hundred forty thousand, three hundred forty".