51223432215 has 16 divisors (see below), whose sum is σ = 81966462336. Its totient is φ = 27316173600.

The previous prime is 51223432199. The next prime is 51223432289.

51223432215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51223432215 - 2⁴ = 51223432199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41641 + ... + 322770.

It is an arithmetic number, because the mean of its divisors is an integer number (5122903896).

Almost surely, 2^51223432215 is an apocalyptic number.

51223432215 is a deficient number, since it is larger than the sum of its proper divisors (30743030121).

51223432215 is a wasteful number, since it uses less digits than its factorization.

51223432215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373790.

The product of its digits is 14400, while the sum is 30.

The spelling of 51223432215 in words is "fifty-one billion, two hundred twenty-three million, four hundred thirty-two thousand, two hundred fifteen".