506122278751 has 8 divisors (see below), whose sum is σ = 522848577024. Its totient is φ = 489420966360.

The previous prime is 506122278737. The next prime is 506122278769. The reversal of 506122278751 is 157872221605.

It is a happy number.

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 506122278751 - 2⁵ = 506122278719 is a prime.

It is a super-2 number, since 2×506122278751² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506122278791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6205285 + ... + 6286318.

It is an arithmetic number, because the mean of its divisors is an integer number (65356072128).

Almost surely, 2^506122278751 is an apocalyptic number.

506122278751 is a deficient number, since it is larger than the sum of its proper divisors (16726298273).

506122278751 is a wasteful number, since it uses less digits than its factorization.

506122278751 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12492941.

The product of its (nonzero) digits is 470400, while the sum is 46.

The spelling of 506122278751 in words is "five hundred six billion, one hundred twenty-two million, two hundred seventy-eight thousand, seven hundred fifty-one".