1405241455091 has 2 divisors, whose sum is σ = 1405241455092. Its totient is φ = 1405241455090.

The previous prime is 1405241455073. The next prime is 1405241455127. The reversal of 1405241455091 is 1905541425041.

It is a weak prime.

It is an emirp because it is prime and its reverse (1905541425041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1405241455091 is a prime.

It is not a weakly prime, because it can be changed into another prime (1405241455391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 702620727545 + 702620727546.

It is an arithmetic number, because the mean of its divisors is an integer number (702620727546).

Almost surely, 2^{1405241455091} is an apocalyptic number.

1405241455091 is a deficient number, since it is larger than the sum of its proper divisors (1).

1405241455091 is an equidigital number, since it uses as much as digits as its factorization.

1405241455091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 41.

The spelling of 1405241455091 in words is "one trillion, four hundred five billion, two hundred forty-one million, four hundred fifty-five thousand, ninety-one".