11262140020 has 12 divisors (see below), whose sum is σ = 23650494084. Its totient is φ = 4504856000.

The previous prime is 11262140017. The next prime is 11262140033. The reversal of 11262140020 is 2004126211.

It can be written as a sum of positive squares in 2 ways, for example, as 7031157904 + 4230982116 = 83852^2 + 65046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11262140020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281553481 + ... + 281553520.

It is an arithmetic number, because the mean of its divisors is an integer number (1970874507).

Almost surely, 2^11262140020 is an apocalyptic number.

11262140020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11262140020 is an abundant number, since it is smaller than the sum of its proper divisors (12388354064).

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

11262140020 is a wasteful number, since it uses less digits than its factorization.

11262140020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563107010 (or 563107008 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11262140020 its reverse (2004126211), we get a palindrome (13266266231).

The spelling of 11262140020 in words is "eleven billion, two hundred sixty-two million, one hundred forty thousand, twenty".