11641141138 has 24 divisors (see below), whose sum is σ = 19601842176. Its totient is φ = 5178839160.

The previous prime is 11641141097. The next prime is 11641141147. The reversal of 11641141138 is 83114114611.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500370 + ... + 523117.

It is an arithmetic number, because the mean of its divisors is an integer number (816743424).

Almost surely, 2^11641141138 is an apocalyptic number.

11641141138 is a deficient number, since it is larger than the sum of its proper divisors (7960701038).

11641141138 is a wasteful number, since it uses less digits than its factorization.

11641141138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023558 (or 1023547 counting only the distinct ones).

The product of its digits is 2304, while the sum is 31.

Adding to 11641141138 its reverse (83114114611), we get a palindrome (94755255749).

The spelling of 11641141138 in words is "eleven billion, six hundred forty-one million, one hundred forty-one thousand, one hundred thirty-eight".