1388893117852 has 12 divisors (see below), whose sum is σ = 2438328335296. Its totient is φ = 692227879200.

The previous prime is 1388893117837. The next prime is 1388893117853. The reversal of 1388893117852 is 2587113988831.

It is a super-2 number, since 2×1388893117852² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1388893117853) 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, 554668524 + ... + 554671027.

Almost surely, 2^{1388893117852} is an apocalyptic number.

It is an amenable number.

1388893117852 is a deficient number, since it is larger than the sum of its proper divisors (1049435217444).

1388893117852 is a wasteful number, since it uses less digits than its factorization.

1388893117852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109339868 (or 1109339866 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 64.

The spelling of 1388893117852 in words is "one trillion, three hundred eighty-eight billion, eight hundred ninety-three million, one hundred seventeen thousand, eight hundred fifty-two".