51434203202101 has 2 divisors, whose sum is σ = 51434203202102. Its totient is φ = 51434203202100.

The previous prime is 51434203202087. The next prime is 51434203202117. The reversal of 51434203202101 is 10120230243415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41333661123876 + 10100542078225 = 6429126^2 + 3178135^2 .

It is a cyclic number.

It is not a de Polignac number, because 51434203202101 - 2¹⁵ = 51434203169333 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51434203202101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51434203202401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25717101601050 + 25717101601051.

It is an arithmetic number, because the mean of its divisors is an integer number (25717101601051).

Almost surely, 2^{51434203202101} is an apocalyptic number.

It is an amenable number.

51434203202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

51434203202101 is an equidigital number, since it uses as much as digits as its factorization.

51434203202101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 51434203202101 its reverse (10120230243415), we get a palindrome (61554433445516).

The spelling of 51434203202101 in words is "fifty-one trillion, four hundred thirty-four billion, two hundred three million, two hundred two thousand, one hundred one".