11112255405 has 32 divisors (see below), whose sum is σ = 19767755520. Its totient is φ = 5922745920.

The previous prime is 11112255383. The next prime is 11112255437. The reversal of 11112255405 is 50455221111.

It is a happy number.

11112255405 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 2 + 255 + 405 = 666.

It is not a de Polignac number, because 11112255405 - 2⁸ = 11112255149 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192240 + ... + 243270.

It is an arithmetic number, because the mean of its divisors is an integer number (617742360).

Almost surely, 2^11112255405 is an apocalyptic number.

11112255405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11112255405 is a deficient number, since it is larger than the sum of its proper divisors (8655500115).

11112255405 is a wasteful number, since it uses less digits than its factorization.

11112255405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52658 (or 52652 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 11112255405 its reverse (50455221111), we get a palindrome (61567476516).

The spelling of 11112255405 in words is "eleven billion, one hundred twelve million, two hundred fifty-five thousand, four hundred five".