51224117066 has 8 divisors (see below), whose sum is σ = 78138483840. Its totient is φ = 25177955788.

The previous prime is 51224117017. The next prime is 51224117083. The reversal of 51224117066 is 66071142215.

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

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 3 ways as a sum of consecutive naturals, for example, 217051226 + ... + 217051461.

It is an arithmetic number, because the mean of its divisors is an integer number (9767310480).

Almost surely, 2^51224117066 is an apocalyptic number.

51224117066 is a deficient number, since it is larger than the sum of its proper divisors (26914366774).

51224117066 is a wasteful number, since it uses less digits than its factorization.

51224117066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434102748.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 51224117066 in words is "fifty-one billion, two hundred twenty-four million, one hundred seventeen thousand, sixty-six".