1126426402571 has 2 divisors, whose sum is σ = 1126426402572. Its totient is φ = 1126426402570.

The previous prime is 1126426402553. The next prime is 1126426402613. The reversal of 1126426402571 is 1752046246211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1126426402571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1126426402501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 563213201285 + 563213201286.

It is an arithmetic number, because the mean of its divisors is an integer number (563213201286).

Almost surely, 2^{1126426402571} is an apocalyptic number.

1126426402571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1126426402571 is an equidigital number, since it uses as much as digits as its factorization.

1126426402571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 1126426402571 in words is "one trillion, one hundred twenty-six billion, four hundred twenty-six million, four hundred two thousand, five hundred seventy-one".