11425009220 has 24 divisors (see below), whose sum is σ = 24018384600. Its totient is φ = 4565076992.

The previous prime is 11425009217. The next prime is 11425009223. The reversal of 11425009220 is 2290052411.

It is an interprime number because it is at equal distance from previous prime (11425009217) and next prime (11425009223).

It can be written as a sum of positive squares in 4 ways, for example, as 11505664 + 11413503556 = 3392^2 + 106834^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11425009220.

It is not an unprimeable number, because it can be changed into a prime (11425009223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288875 + ... + 326034.

It is an arithmetic number, because the mean of its divisors is an integer number (1000766025).

Almost surely, 2^11425009220 is an apocalyptic number.

11425009220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11425009220 is an abundant number, since it is smaller than the sum of its proper divisors (12593375380).

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

11425009220 is a wasteful number, since it uses less digits than its factorization.

11425009220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615847 (or 615845 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 11425009220 in words is "eleven billion, four hundred twenty-five million, nine thousand, two hundred twenty".