126375213571 has 2 divisors, whose sum is σ = 126375213572. Its totient is φ = 126375213570.

The previous prime is 126375213529. The next prime is 126375213647. The reversal of 126375213571 is 175312573621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 126375213571 - 2¹⁹ = 126374689283 is a prime.

It is not a weakly prime, because it can be changed into another prime (126375213871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63187606785 + 63187606786.

It is an arithmetic number, because the mean of its divisors is an integer number (63187606786).

Almost surely, 2^126375213571 is an apocalyptic number.

126375213571 is a deficient number, since it is larger than the sum of its proper divisors (1).

126375213571 is an equidigital number, since it uses as much as digits as its factorization.

126375213571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 43.

The spelling of 126375213571 in words is "one hundred twenty-six billion, three hundred seventy-five million, two hundred thirteen thousand, five hundred seventy-one".