51333626333501 has 2 divisors, whose sum is σ = 51333626333502. Its totient is φ = 51333626333500.

The previous prime is 51333626333383. The next prime is 51333626333569. The reversal of 51333626333501 is 10533362633315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51099994277476 + 233632056025 = 7148426^2 + 483355^2 .

It is a cyclic number.

It is not a de Polignac number, because 51333626333501 - 2¹⁴ = 51333626317117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51333626333201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25666813166750 + 25666813166751.

It is an arithmetic number, because the mean of its divisors is an integer number (25666813166751).

Almost surely, 2^{51333626333501} is an apocalyptic number.

It is an amenable number.

51333626333501 is a deficient number, since it is larger than the sum of its proper divisors (1).

51333626333501 is an equidigital number, since it uses as much as digits as its factorization.

51333626333501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 44.

Adding to 51333626333501 its reverse (10533362633315), we get a palindrome (61866988966816).

The spelling of 51333626333501 in words is "fifty-one trillion, three hundred thirty-three billion, six hundred twenty-six million, three hundred thirty-three thousand, five hundred one".