51336710205 has 32 divisors (see below), whose sum is σ = 89936621568. Its totient is φ = 24798657600.

The previous prime is 51336710197. The next prime is 51336710207. The reversal of 51336710205 is 50201763315.

It is not a de Polignac number, because 51336710205 - 2³ = 51336710197 is a prime.

It is a super-2 number, since 2×51336710205² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51336710207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 529329 + ... + 618758.

It is an arithmetic number, because the mean of its divisors is an integer number (2810519424).

Almost surely, 2^51336710205 is an apocalyptic number.

51336710205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51336710205 is a deficient number, since it is larger than the sum of its proper divisors (38599911363).

51336710205 is a wasteful number, since it uses less digits than its factorization.

51336710205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148377.

The product of its (nonzero) digits is 18900, while the sum is 33.

The spelling of 51336710205 in words is "fifty-one billion, three hundred thirty-six million, seven hundred ten thousand, two hundred five".