1378053755178 has 16 divisors (see below), whose sum is σ = 2756124623520. Its totient is φ = 459348399536.

The previous prime is 1378053755147. The next prime is 1378053755191. The reversal of 1378053755178 is 8715573508731.

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, 489901 + ... + 1730927.

It is an arithmetic number, because the mean of its divisors is an integer number (172257788970).

Almost surely, 2^{1378053755178} is an apocalyptic number.

1378053755178 is an abundant number, since it is smaller than the sum of its proper divisors (1378070868342).

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

1378053755178 is a wasteful number, since it uses less digits than its factorization.

1378053755178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426101.

The product of its (nonzero) digits is 24696000, while the sum is 60.

It can be divided in two parts, 137805 and 3755178, that added together give a palindrome (3892983).

The spelling of 1378053755178 in words is "one trillion, three hundred seventy-eight billion, fifty-three million, seven hundred fifty-five thousand, one hundred seventy-eight".