20051345145371 has 2 divisors, whose sum is σ = 20051345145372. Its totient is φ = 20051345145370.

The previous prime is 20051345145257. The next prime is 20051345145389. The reversal of 20051345145371 is 17354154315002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20051345145371 - 2³⁸ = 19776467238427 is a prime.

It is not a weakly prime, because it can be changed into another prime (20051345145071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10025672572685 + 10025672572686.

It is an arithmetic number, because the mean of its divisors is an integer number (10025672572686).

Almost surely, 2^{20051345145371} is an apocalyptic number.

20051345145371 is a deficient number, since it is larger than the sum of its proper divisors (1).

20051345145371 is an equidigital number, since it uses as much as digits as its factorization.

20051345145371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 20051345145371 in words is "twenty trillion, fifty-one billion, three hundred forty-five million, one hundred forty-five thousand, three hundred seventy-one".