11869135142 has 16 divisors (see below), whose sum is σ = 18580099680. Its totient is φ = 5675833152.

The previous prime is 11869135133. The next prime is 11869135163. The reversal of 11869135142 is 24153196811.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11869135142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665234 + ... + 682842.

It is an arithmetic number, because the mean of its divisors is an integer number (1161256230).

Almost surely, 2^11869135142 is an apocalyptic number.

11869135142 is a deficient number, since it is larger than the sum of its proper divisors (6710964538).

11869135142 is a wasteful number, since it uses less digits than its factorization.

11869135142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32287.

The product of its digits is 51840, while the sum is 41.

The spelling of 11869135142 in words is "eleven billion, eight hundred sixty-nine million, one hundred thirty-five thousand, one hundred forty-two".