1420245514111 has 2 divisors, whose sum is σ = 1420245514112. Its totient is φ = 1420245514110.

The previous prime is 1420245514109. The next prime is 1420245514123. The reversal of 1420245514111 is 1114155420241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1420245514111 - 2¹ = 1420245514109 is a prime.

Together with 1420245514109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1420245514211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710122757055 + 710122757056.

It is an arithmetic number, because the mean of its divisors is an integer number (710122757056).

Almost surely, 2^{1420245514111} is an apocalyptic number.

1420245514111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1420245514111 is an equidigital number, since it uses as much as digits as its factorization.

1420245514111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6400, while the sum is 31.

The spelling of 1420245514111 in words is "one trillion, four hundred twenty billion, two hundred forty-five million, five hundred fourteen thousand, one hundred eleven".