11141154402 has 96 divisors (see below), whose sum is σ = 27438523200. Its totient is φ = 3001848192.

The previous prime is 11141154379. The next prime is 11141154407. The reversal of 11141154402 is 20445114111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11141154407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 351424 + ... + 381812.

It is an arithmetic number, because the mean of its divisors is an integer number (285817950).

Almost surely, 2^11141154402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11141154402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13719261600).

11141154402 is an abundant number, since it is smaller than the sum of its proper divisors (16297368798).

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

11141154402 is a wasteful number, since it uses less digits than its factorization.

11141154402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30480 (or 30473 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 11141154402 its reverse (20445114111), we get a palindrome (31586268513).

The spelling of 11141154402 in words is "eleven billion, one hundred forty-one million, one hundred fifty-four thousand, four hundred two".