11678901167798 has 4 divisors (see below), whose sum is σ = 17518351751700. Its totient is φ = 5839450583898.

The previous prime is 11678901167737. The next prime is 11678901167873. The reversal of 11678901167798 is 89776110987611.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2919725291948 + ... + 2919725291951.

It is an arithmetic number, because the mean of its divisors is an integer number (4379587937925).

Almost surely, 2^{11678901167798} is an apocalyptic number.

11678901167798 is a deficient number, since it is larger than the sum of its proper divisors (5839450583902).

11678901167798 is an equidigital number, since it uses as much as digits as its factorization.

11678901167798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5839450583901.

The product of its (nonzero) digits is 64012032, while the sum is 71.

The spelling of 11678901167798 in words is "eleven trillion, six hundred seventy-eight billion, nine hundred one million, one hundred sixty-seven thousand, seven hundred ninety-eight".