51634222243615 has 128 divisors (see below), whose sum is σ = 71643311308800. Its totient is φ = 35359034726400.

The previous prime is 51634222243607. The next prime is 51634222243673.

It is a happy number.

51634222243615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51634222243615 - 2³ = 51634222243607 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15651475236 + ... + 15651478534.

It is an arithmetic number, because the mean of its divisors is an integer number (559713369600).

Almost surely, 2^{51634222243615} is an apocalyptic number.

51634222243615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51634222243615 is a deficient number, since it is larger than the sum of its proper divisors (20009089065185).

51634222243615 is a wasteful number, since it uses less digits than its factorization.

51634222243615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165.

The product of its digits is 2073600, while the sum is 46.

The spelling of 51634222243615 in words is "fifty-one trillion, six hundred thirty-four billion, two hundred twenty-two million, two hundred forty-three thousand, six hundred fifteen".