1378151558808 has 32 divisors (see below), whose sum is σ = 3445419985200. Its totient is φ = 459378374528.

The previous prime is 1378151558789. The next prime is 1378151558843. The reversal of 1378151558808 is 8088551518731.

It is a happy number.

It is a Cunningham number, because it is equal to 1173947²-1.

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, 2054410 + ... + 2641382.

Almost surely, 2^{1378151558808} is an apocalyptic number.

It is an amenable number.

1378151558808 is an abundant number, since it is smaller than the sum of its proper divisors (2067268426392).

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

1378151558808 is a wasteful number, since it uses less digits than its factorization.

1378151558808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684811 (or 684807 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 60.

The spelling of 1378151558808 in words is "one trillion, three hundred seventy-eight billion, one hundred fifty-one million, five hundred fifty-eight thousand, eight hundred eight".