11717943407078 has 16 divisors (see below), whose sum is σ = 17586104886000. Its totient is φ = 5855908754400.

The previous prime is 11717943407041. The next prime is 11717943407081. The reversal of 11717943407078 is 87070434971711.

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 in 7 ways as a sum of consecutive naturals, for example, 88875548 + ... + 89007296.

It is an arithmetic number, because the mean of its divisors is an integer number (1099131555375).

Almost surely, 2^{11717943407078} is an apocalyptic number.

11717943407078 is a deficient number, since it is larger than the sum of its proper divisors (5868161478922).

11717943407078 is a wasteful number, since it uses less digits than its factorization.

11717943407078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154663.

The product of its (nonzero) digits is 8297856, while the sum is 59.

The spelling of 11717943407078 in words is "eleven trillion, seven hundred seventeen billion, nine hundred forty-three million, four hundred seven thousand, seventy-eight".