11310305540 has 12 divisors (see below), whose sum is σ = 23751641676. Its totient is φ = 4524122208.

The previous prime is 11310305537. The next prime is 11310305543. The reversal of 11310305540 is 4550301311.

It is an interprime number because it is at equal distance from previous prime (11310305537) and next prime (11310305543).

It can be written as a sum of positive squares in 2 ways, for example, as 5732306944 + 5577998596 = 75712^2 + 74686^2 .

It is a super-2 number, since 2×11310305540² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11310305543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282757619 + ... + 282757658.

It is an arithmetic number, because the mean of its divisors is an integer number (1979303473).

Almost surely, 2^11310305540 is an apocalyptic number.

11310305540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11310305540 is an abundant number, since it is smaller than the sum of its proper divisors (12441336136).

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

11310305540 is a wasteful number, since it uses less digits than its factorization.

11310305540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565515286 (or 565515284 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

Adding to 11310305540 its reverse (4550301311), we get a palindrome (15860606851).

The spelling of 11310305540 in words is "eleven billion, three hundred ten million, three hundred five thousand, five hundred forty".