51202556101 has 8 divisors (see below), whose sum is σ = 51714204408. Its totient is φ = 50691000000.

The previous prime is 51202556081. The next prime is 51202556149. The reversal of 51202556101 is 10165520215.

51202556101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4740322500 + 46462233601 = 68850^2 + 215551^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51202556101 - 2⁹ = 51202555589 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51202556101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51202556701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1834551 + ... + 1862251.

It is an arithmetic number, because the mean of its divisors is an integer number (6464275551).

Almost surely, 2^51202556101 is an apocalyptic number.

It is an amenable number.

51202556101 is a deficient number, since it is larger than the sum of its proper divisors (511648307).

51202556101 is a wasteful number, since it uses less digits than its factorization.

51202556101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46103.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 51202556101 in words is "fifty-one billion, two hundred two million, five hundred fifty-six thousand, one hundred one".