11738556078 has 16 divisors (see below), whose sum is σ = 23479102416. Its totient is φ = 3912520320.

The previous prime is 11738556047. The next prime is 11738556097. The reversal of 11738556078 is 87065583711.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11738556078.

It is a congruent 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, 150 + ... + 153222.

It is an arithmetic number, because the mean of its divisors is an integer number (1467443901).

Almost surely, 2^11738556078 is an apocalyptic number.

11738556078 is an abundant number, since it is smaller than the sum of its proper divisors (11740546338).

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

11738556078 is a wasteful number, since it uses less digits than its factorization.

11738556078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165859.

The product of its (nonzero) digits is 1411200, while the sum is 51.

The spelling of 11738556078 in words is "eleven billion, seven hundred thirty-eight million, five hundred fifty-six thousand, seventy-eight".