11878368877838 has 32 divisors (see below), whose sum is σ = 18456127875360. Its totient is φ = 5726866647040.

The previous prime is 11878368877829. The next prime is 11878368877841. The reversal of 11878368877838 is 83877886387811.

It is a super-3 number, since 3×11878368877838³ (a number of 40 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232915670 + ... + 232966662.

It is an arithmetic number, because the mean of its divisors is an integer number (576753996105).

Almost surely, 2^{11878368877838} is an apocalyptic number.

11878368877838 is a deficient number, since it is larger than the sum of its proper divisors (6577758997522).

11878368877838 is a wasteful number, since it uses less digits than its factorization.

11878368877838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56212.

The product of its digits is 4855431168, while the sum is 83.

The spelling of 11878368877838 in words is "eleven trillion, eight hundred seventy-eight billion, three hundred sixty-eight million, eight hundred seventy-seven thousand, eight hundred thirty-eight".