11873057142 has 24 divisors (see below), whose sum is σ = 25145275176. Its totient is φ = 3724535424.

The previous prime is 11873057111. The next prime is 11873057221. The reversal of 11873057142 is 24175037811.

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 11873057142.

It is a congruent number.

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, 1095084 + ... + 1105872.

It is an arithmetic number, because the mean of its divisors is an integer number (1047719799).

Almost surely, 2^11873057142 is an apocalyptic number.

11873057142 is an abundant number, since it is smaller than the sum of its proper divisors (13272218034).

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

11873057142 is an frugal number, since it uses more digits than its factorization.

11873057142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21600 (or 10811 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The spelling of 11873057142 in words is "eleven billion, eight hundred seventy-three million, fifty-seven thousand, one hundred forty-two".