11225402136 has 192 divisors, whose sum is σ = 34007238720. Its totient is φ = 3322736640.

The previous prime is 11225402129. The next prime is 11225402249. The reversal of 11225402136 is 63120452211.

11225402136 is a `hidden beast` number, since 1 + 1 + 225 + 402 + 1 + 36 = 666.

It is a super-2 number, since 2×11225402136² (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 47 ways as a sum of consecutive naturals, for example, 2799445 + ... + 2803451.

It is an arithmetic number, because the mean of its divisors is an integer number (177121035).

Almost surely, 2^11225402136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11225402136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17003619360).

11225402136 is an abundant number, since it is smaller than the sum of its proper divisors (22781836584).

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

11225402136 is a wasteful number, since it uses less digits than its factorization.

11225402136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4146 (or 4139 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 11225402136 its reverse (63120452211), we get a palindrome (74345854347).

The spelling of 11225402136 in words is "eleven billion, two hundred twenty-five million, four hundred two thousand, one hundred thirty-six".