1101225440947 has 2 divisors, whose sum is σ = 1101225440948. Its totient is φ = 1101225440946.

The previous prime is 1101225440911. The next prime is 1101225440963. The reversal of 1101225440947 is 7490445221011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1101225440947 - 2¹¹ = 1101225438899 is a prime.

It is not a weakly prime, because it can be changed into another prime (1101225440647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550612720473 + 550612720474.

It is an arithmetic number, because the mean of its divisors is an integer number (550612720474).

Almost surely, 2^{1101225440947} is an apocalyptic number.

1101225440947 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101225440947 is an equidigital number, since it uses as much as digits as its factorization.

1101225440947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 40.

The spelling of 1101225440947 in words is "one trillion, one hundred one billion, two hundred twenty-five million, four hundred forty thousand, nine hundred forty-seven".