11878416634374 has 12 divisors (see below), whose sum is σ = 25736569374516. Its totient is φ = 3959472211452.

The previous prime is 11878416634333. The next prime is 11878416634411. The reversal of 11878416634374 is 47343661487811.

It is a happy number.

11878416634374 is a `hidden beast` number, since 1 + 1 + 8 + 78 + 4 + 166 + 34 + 374 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329956017604 + ... + 329956017639.

It is an arithmetic number, because the mean of its divisors is an integer number (2144714114543).

Almost surely, 2^{11878416634374} is an apocalyptic number.

11878416634374 is an abundant number, since it is smaller than the sum of its proper divisors (13858152740142).

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

11878416634374 is a wasteful number, since it uses less digits than its factorization.

11878416634374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659912035251 (or 659912035248 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 63.

The spelling of 11878416634374 in words is "eleven trillion, eight hundred seventy-eight billion, four hundred sixteen million, six hundred thirty-four thousand, three hundred seventy-four".