21176114051143 has 2 divisors, whose sum is σ = 21176114051144. Its totient is φ = 21176114051142.

The previous prime is 21176114051033. The next prime is 21176114051159. The reversal of 21176114051143 is 34115041167112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21176114051143 - 2³³ = 21167524116551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21176114052143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10588057025571 + 10588057025572.

It is an arithmetic number, because the mean of its divisors is an integer number (10588057025572).

Almost surely, 2^{21176114051143} is an apocalyptic number.

21176114051143 is a deficient number, since it is larger than the sum of its proper divisors (1).

21176114051143 is an equidigital number, since it uses as much as digits as its factorization.

21176114051143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 37.

The spelling of 21176114051143 in words is "twenty-one trillion, one hundred seventy-six billion, one hundred fourteen million, fifty-one thousand, one hundred forty-three".