117278512311 has 8 divisors (see below), whose sum is σ = 156588837120. Its totient is φ = 78076931192.

The previous prime is 117278512291. The next prime is 117278512321. The reversal of 117278512311 is 113215872711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117278512311 - 2²³ = 117270123703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117278512311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117278512321) by changing a digit.

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, 27183405 + ... + 27187718.

It is an arithmetic number, because the mean of its divisors is an integer number (19573604640).

Almost surely, 2^117278512311 is an apocalyptic number.

117278512311 is a deficient number, since it is larger than the sum of its proper divisors (39310324809).

117278512311 is an equidigital number, since it uses as much as digits as its factorization.

117278512311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54371845.

The product of its digits is 23520, while the sum is 39.

The spelling of 117278512311 in words is "one hundred seventeen billion, two hundred seventy-eight million, five hundred twelve thousand, three hundred eleven".