2355422111491 has 2 divisors, whose sum is σ = 2355422111492. Its totient is φ = 2355422111490.

The previous prime is 2355422111477. The next prime is 2355422111521. The reversal of 2355422111491 is 1941112245532.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2355422111491 - 2¹⁷ = 2355421980419 is a prime.

It is not a weakly prime, because it can be changed into another prime (2355422111591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177711055745 + 1177711055746.

It is an arithmetic number, because the mean of its divisors is an integer number (1177711055746).

Almost surely, 2^{2355422111491} is an apocalyptic number.

2355422111491 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355422111491 is an equidigital number, since it uses as much as digits as its factorization.

2355422111491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 86400, while the sum is 40.

The spelling of 2355422111491 in words is "two trillion, three hundred fifty-five billion, four hundred twenty-two million, one hundred eleven thousand, four hundred ninety-one".