1539484542256 has 20 divisors (see below), whose sum is σ = 3139738211800. Its totient is φ = 729229519872.

The previous prime is 1539484542251. The next prime is 1539484542289. The reversal of 1539484542256 is 6522454849351.

It is a self number, because there is not a number n which added to its sum of digits gives 1539484542256.

It is not an unprimeable number, because it can be changed into a prime (1539484542251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2532046641 + ... + 2532047248.

It is an arithmetic number, because the mean of its divisors is an integer number (156986910590).

Almost surely, 2^{1539484542256} is an apocalyptic number.

1539484542256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1539484542256 is an abundant number, since it is smaller than the sum of its proper divisors (1600253669544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1539484542256 is a wasteful number, since it uses less digits than its factorization.

1539484542256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064093916 (or 5064093910 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 58.

The spelling of 1539484542256 in words is "one trillion, five hundred thirty-nine billion, four hundred eighty-four million, five hundred forty-two thousand, two hundred fifty-six".