11420571040 has 24 divisors (see below), whose sum is σ = 26981099460. Its totient is φ = 4568228352.

The previous prime is 11420571037. The next prime is 11420571077. The reversal of 11420571040 is 4017502411.

It can be written as a sum of positive squares in 2 ways, for example, as 11354181136 + 66389904 = 106556^2 + 8148^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11420570996 and 11420571014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35689125 + ... + 35689444.

Almost surely, 2^11420571040 is an apocalyptic number.

11420571040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11420571040 is an abundant number, since it is smaller than the sum of its proper divisors (15560528420).

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

11420571040 is an equidigital number, since it uses as much as digits as its factorization.

11420571040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71378584 (or 71378576 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The spelling of 11420571040 in words is "eleven billion, four hundred twenty million, five hundred seventy-one thousand, forty".