1494303545881 has 2 divisors, whose sum is σ = 1494303545882. Its totient is φ = 1494303545880.

The previous prime is 1494303545849. The next prime is 1494303545897. The reversal of 1494303545881 is 1885453034941.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 852556755600 + 641746790281 = 923340^2 + 801091^2 .

It is a cyclic number.

It is not a de Polignac number, because 1494303545881 - 2⁵ = 1494303545849 is a prime.

It is a super-2 number, since 2×1494303545881² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1494303545821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 747151772940 + 747151772941.

It is an arithmetic number, because the mean of its divisors is an integer number (747151772941).

Almost surely, 2^{1494303545881} is an apocalyptic number.

It is an amenable number.

1494303545881 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494303545881 is an equidigital number, since it uses as much as digits as its factorization.

1494303545881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8294400, while the sum is 55.

The spelling of 1494303545881 in words is "one trillion, four hundred ninety-four billion, three hundred three million, five hundred forty-five thousand, eight hundred eighty-one".