117072220051 has 4 divisors (see below), whose sum is σ = 117146932672. Its totient is φ = 116997507432.

The previous prime is 117072220021. The next prime is 117072220079. The reversal of 117072220051 is 150022270711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150022270711 = 2837 ⋅52880603.

It is a cyclic number.

It is not a de Polignac number, because 117072220051 - 2⁵ = 117072220019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117072220021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37353960 + ... + 37357093.

It is an arithmetic number, because the mean of its divisors is an integer number (29286733168).

Almost surely, 2^117072220051 is an apocalyptic number.

117072220051 is a deficient number, since it is larger than the sum of its proper divisors (74712621).

117072220051 is an equidigital number, since it uses as much as digits as its factorization.

117072220051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74712620.

The product of its (nonzero) digits is 1960, while the sum is 28.

Adding to 117072220051 its reverse (150022270711), we get a palindrome (267094490762).

The spelling of 117072220051 in words is "one hundred seventeen billion, seventy-two million, two hundred twenty thousand, fifty-one".