11534242146 has 16 divisors (see below), whose sum is σ = 26363982144. Its totient is φ = 3295497744.

The previous prime is 11534242121. The next prime is 11534242169. The reversal of 11534242146 is 64124243511.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137312365 + ... + 137312448.

It is an arithmetic number, because the mean of its divisors is an integer number (1647748884).

Almost surely, 2^11534242146 is an apocalyptic number.

11534242146 is an abundant number, since it is smaller than the sum of its proper divisors (14829739998).

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

11534242146 is a wasteful number, since it uses less digits than its factorization.

11534242146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274624825.

The product of its digits is 23040, while the sum is 33.

Adding to 11534242146 its reverse (64124243511), we get a palindrome (75658485657).

The spelling of 11534242146 in words is "eleven billion, five hundred thirty-four million, two hundred forty-two thousand, one hundred forty-six".