1425611642011 has 2 divisors, whose sum is σ = 1425611642012. Its totient is φ = 1425611642010.

The previous prime is 1425611642009. The next prime is 1425611642051. The reversal of 1425611642011 is 1102461165241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1425611642011 - 2¹ = 1425611642009 is a prime.

Together with 1425611642009, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1425611642051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712805821005 + 712805821006.

It is an arithmetic number, because the mean of its divisors is an integer number (712805821006).

Almost surely, 2^{1425611642011} is an apocalyptic number.

1425611642011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425611642011 is an equidigital number, since it uses as much as digits as its factorization.

1425611642011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11520, while the sum is 34.

The spelling of 1425611642011 in words is "one trillion, four hundred twenty-five billion, six hundred eleven million, six hundred forty-two thousand, eleven".