1455424153991 has 2 divisors, whose sum is σ = 1455424153992. Its totient is φ = 1455424153990.

The previous prime is 1455424153901. The next prime is 1455424154047. The reversal of 1455424153991 is 1993514245541.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455424153991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1455424153901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727712076995 + 727712076996.

It is an arithmetic number, because the mean of its divisors is an integer number (727712076996).

Almost surely, 2^{1455424153991} is an apocalyptic number.

1455424153991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455424153991 is an equidigital number, since it uses as much as digits as its factorization.

1455424153991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3888000, while the sum is 53.

The spelling of 1455424153991 in words is "one trillion, four hundred fifty-five billion, four hundred twenty-four million, one hundred fifty-three thousand, nine hundred ninety-one".