1478253887841 has 32 divisors (see below), whose sum is σ = 2069363884032. Its totient is φ = 936859922240.

The previous prime is 1478253887837. The next prime is 1478253887893. The reversal of 1478253887841 is 1487883528741.

It is a cyclic number.

It is not a de Polignac number, because 1478253887841 - 2² = 1478253887837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1478253887441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14485591 + ... + 14587283.

It is an arithmetic number, because the mean of its divisors is an integer number (64667621376).

Almost surely, 2^{1478253887841} is an apocalyptic number.

It is an amenable number.

1478253887841 is a deficient number, since it is larger than the sum of its proper divisors (591109996191).

1478253887841 is a wasteful number, since it uses less digits than its factorization.

1478253887841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103013.

The product of its digits is 96337920, while the sum is 66.

The spelling of 1478253887841 in words is "one trillion, four hundred seventy-eight billion, two hundred fifty-three million, eight hundred eighty-seven thousand, eight hundred forty-one".