51624311205 has 16 divisors (see below), whose sum is σ = 82693102464. Its totient is φ = 27501564480.

The previous prime is 51624311203. The next prime is 51624311231. The reversal of 51624311205 is 50211342615.

It is not a de Polignac number, because 51624311205 - 2¹ = 51624311203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51624311201) 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, 1949001 + ... + 1975310.

It is an arithmetic number, because the mean of its divisors is an integer number (5168318904).

Almost surely, 2^51624311205 is an apocalyptic number.

It is an amenable number.

51624311205 is a deficient number, since it is larger than the sum of its proper divisors (31068791259).

51624311205 is a wasteful number, since it uses less digits than its factorization.

51624311205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3925196.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 51624311205 in words is "fifty-one billion, six hundred twenty-four million, three hundred eleven thousand, two hundred five".