1338812485516 has 24 divisors (see below), whose sum is σ = 2577038017680. Its totient is φ = 608551127360.

The previous prime is 1338812485469. The next prime is 1338812485519. The reversal of 1338812485516 is 6155842188331.

It is a happy number.

It is a super-3 number, since 3×1338812485516³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1338812485519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125728381 + ... + 125739028.

It is an arithmetic number, because the mean of its divisors is an integer number (107376584070).

Almost surely, 2^{1338812485516} is an apocalyptic number.

It is an amenable number.

1338812485516 is a deficient number, since it is larger than the sum of its proper divisors (1238225532164).

1338812485516 is a wasteful number, since it uses less digits than its factorization.

1338812485516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251467446 (or 251467422 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 55.

The spelling of 1338812485516 in words is "one trillion, three hundred thirty-eight billion, eight hundred twelve million, four hundred eighty-five thousand, five hundred sixteen".