117628055205841 has 4 divisors (see below), whose sum is σ = 117630027203184. Its totient is φ = 117626083208500.

The previous prime is 117628055205839. The next prime is 117628055205907. The reversal of 117628055205841 is 148502550826711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 117628055205841 - 2¹ = 117628055205839 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117628055206841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985909195 + ... + 986028496.

It is an arithmetic number, because the mean of its divisors is an integer number (29407506800796).

Almost surely, 2^{117628055205841} is an apocalyptic number.

It is an amenable number.

117628055205841 is a deficient number, since it is larger than the sum of its proper divisors (1971997343).

117628055205841 is an equidigital number, since it uses as much as digits as its factorization.

117628055205841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971997342.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 117628055205841 in words is "one hundred seventeen trillion, six hundred twenty-eight billion, fifty-five million, two hundred five thousand, eight hundred forty-one".