51232623215 has 16 divisors (see below), whose sum is σ = 63746973696. Its totient is φ = 39486074400.

The previous prime is 51232623193. The next prime is 51232623217.

51232623215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51232623215 - 2¹⁸ = 51232361071 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 (51232623217) 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, 706541 + ... + 775670.

It is an arithmetic number, because the mean of its divisors is an integer number (3984185856).

Almost surely, 2^51232623215 is an apocalyptic number.

51232623215 is a deficient number, since it is larger than the sum of its proper divisors (12514350481).

51232623215 is a wasteful number, since it uses less digits than its factorization.

51232623215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482470.

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

The spelling of 51232623215 in words is "fifty-one billion, two hundred thirty-two million, six hundred twenty-three thousand, two hundred fifteen".