51226672215 has 8 divisors (see below), whose sum is σ = 81962675568. Its totient is φ = 27320891840.

The previous prime is 51226672201. The next prime is 51226672219. The reversal of 51226672215 is 51227662215.

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

It is not a de Polignac number, because 51226672215 - 2⁵ = 51226672183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51226672219) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1707555726 + ... + 1707555755.

It is an arithmetic number, because the mean of its divisors is an integer number (10245334446).

Almost surely, 2^51226672215 is an apocalyptic number.

51226672215 is a deficient number, since it is larger than the sum of its proper divisors (30736003353).

51226672215 is a wasteful number, since it uses less digits than its factorization.

51226672215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3415111489.

The product of its digits is 100800, while the sum is 39.

The spelling of 51226672215 in words is "fifty-one billion, two hundred twenty-six million, six hundred seventy-two thousand, two hundred fifteen".