20346512536411 has 2 divisors, whose sum is σ = 20346512536412. Its totient is φ = 20346512536410.

The previous prime is 20346512536393. The next prime is 20346512536447. The reversal of 20346512536411 is 11463521564302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20346512536411 - 2²³ = 20346504147803 is a prime.

It is not a weakly prime, because it can be changed into another prime (20346512566411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10173256268205 + 10173256268206.

It is an arithmetic number, because the mean of its divisors is an integer number (10173256268206).

Almost surely, 2^{20346512536411} is an apocalyptic number.

20346512536411 is a deficient number, since it is larger than the sum of its proper divisors (1).

20346512536411 is an equidigital number, since it uses as much as digits as its factorization.

20346512536411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 20346512536411 in words is "twenty trillion, three hundred forty-six billion, five hundred twelve million, five hundred thirty-six thousand, four hundred eleven".