51267476215 has 16 divisors (see below), whose sum is σ = 67972022208. Its totient is φ = 36923070976.

The previous prime is 51267476213. The next prime is 51267476243.

51267476215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51267476215 - 2¹ = 51267476213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51267476213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13109932 + ... + 13113841.

It is an arithmetic number, because the mean of its divisors is an integer number (4248251388).

Almost surely, 2^51267476215 is an apocalyptic number.

51267476215 is a deficient number, since it is larger than the sum of its proper divisors (16704545993).

51267476215 is a wasteful number, since it uses less digits than its factorization.

51267476215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26223818.

The product of its digits is 705600, while the sum is 46.

The spelling of 51267476215 in words is "fifty-one billion, two hundred sixty-seven million, four hundred seventy-six thousand, two hundred fifteen".