51421132340411 has 2 divisors, whose sum is σ = 51421132340412. Its totient is φ = 51421132340410.

The previous prime is 51421132340341. The next prime is 51421132340447. The reversal of 51421132340411 is 11404323112415.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51421132340411 - 2³⁸ = 51146254433467 is a prime.

It is not a weakly prime, because it can be changed into another prime (51421132340311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25710566170205 + 25710566170206.

It is an arithmetic number, because the mean of its divisors is an integer number (25710566170206).

Almost surely, 2^{51421132340411} is an apocalyptic number.

51421132340411 is a deficient number, since it is larger than the sum of its proper divisors (1).

51421132340411 is an equidigital number, since it uses as much as digits as its factorization.

51421132340411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 32.

Adding to 51421132340411 its reverse (11404323112415), we get a palindrome (62825455452826).

The spelling of 51421132340411 in words is "fifty-one trillion, four hundred twenty-one billion, one hundred thirty-two million, three hundred forty thousand, four hundred eleven".