51204745101 has 16 divisors (see below), whose sum is σ = 70664337920. Its totient is φ = 32946730560.

The previous prime is 51204745099. The next prime is 51204745121. The reversal of 51204745101 is 10154740215.

It is not a de Polignac number, because 51204745101 - 2¹ = 51204745099 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 (51204745121) 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 15 ways as a sum of consecutive naturals, for example, 703366 + ... + 772743.

It is an arithmetic number, because the mean of its divisors is an integer number (4416521120).

Almost surely, 2^51204745101 is an apocalyptic number.

It is an amenable number.

51204745101 is a deficient number, since it is larger than the sum of its proper divisors (19459592819).

51204745101 is a wasteful number, since it uses less digits than its factorization.

51204745101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476516.

The product of its (nonzero) digits is 5600, while the sum is 30.

The spelling of 51204745101 in words is "fifty-one billion, two hundred four million, seven hundred forty-five thousand, one hundred one".