11424518020 has 12 divisors (see below), whose sum is σ = 23991487884. Its totient is φ = 4569807200.

The previous prime is 11424518011. The next prime is 11424518023. The reversal of 11424518020 is 2081542411.

It can be written as a sum of positive squares in 2 ways, for example, as 2570084416 + 8854433604 = 50696^2 + 94098^2 .

It is a super-2 number, since 2×11424518020² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11424518020.

It is not an unprimeable number, because it can be changed into a prime (11424518023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285612931 + ... + 285612970.

It is an arithmetic number, because the mean of its divisors is an integer number (1999290657).

Almost surely, 2^11424518020 is an apocalyptic number.

11424518020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11424518020 is an abundant number, since it is smaller than the sum of its proper divisors (12566969864).

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

11424518020 is a wasteful number, since it uses less digits than its factorization.

11424518020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571225910 (or 571225908 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 11424518020 in words is "eleven billion, four hundred twenty-four million, five hundred eighteen thousand, twenty".