11112401240 has 32 divisors (see below), whose sum is σ = 26089987680. Its totient is φ = 4251700992.

The previous prime is 11112401227. The next prime is 11112401281. The reversal of 11112401240 is 4210421111.

It is a super-2 number, since 2×11112401240² (a number of 21 digits) contains 22 as substring.

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, 6038429 + ... + 6040268.

It is an arithmetic number, because the mean of its divisors is an integer number (815312115).

Almost surely, 2^11112401240 is an apocalyptic number.

11112401240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112401240 is an abundant number, since it is smaller than the sum of its proper divisors (14977586440).

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

11112401240 is a wasteful number, since it uses less digits than its factorization.

11112401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12078731 (or 12078727 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11112401240 its reverse (4210421111), we get a palindrome (15322822351).

The spelling of 11112401240 in words is "eleven billion, one hundred twelve million, four hundred one thousand, two hundred forty".