51223632215 has 8 divisors (see below), whose sum is σ = 70249552800. Its totient is φ = 35124776352.

The previous prime is 51223632211. The next prime is 51223632221.

51223632215 is nontrivially palindromic in base 10.

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 51223632215 - 2² = 51223632211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51223632211) 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, 731766140 + ... + 731766209.

It is an arithmetic number, because the mean of its divisors is an integer number (8781194100).

Almost surely, 2^51223632215 is an apocalyptic number.

51223632215 is a deficient number, since it is larger than the sum of its proper divisors (19025920585).

51223632215 is a wasteful number, since it uses less digits than its factorization.

51223632215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463532361.

The product of its digits is 21600, while the sum is 32.

The spelling of 51223632215 in words is "fifty-one billion, two hundred twenty-three million, six hundred thirty-two thousand, two hundred fifteen".