11125240440 has 32 divisors (see below), whose sum is σ = 33375721680. Its totient is φ = 2966730752.

The previous prime is 11125240433. The next prime is 11125240457. The reversal of 11125240440 is 4404252111.

It is a super-2 number, since 2×11125240440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11125240440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46355049 + ... + 46355288.

Almost surely, 2^11125240440 is an apocalyptic number.

11125240440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11125240440 is an abundant number, since it is smaller than the sum of its proper divisors (22250481240).

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

11125240440 is a wasteful number, since it uses less digits than its factorization.

11125240440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92710351 (or 92710347 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

Adding to 11125240440 its reverse (4404252111), we get a palindrome (15529492551).

The spelling of 11125240440 in words is "eleven billion, one hundred twenty-five million, two hundred forty thousand, four hundred forty".