1138253817700 has 18 divisors (see below), whose sum is σ = 2470010784626. Its totient is φ = 455301527040.

The previous prime is 1138253817689. The next prime is 1138253817719. The reversal of 1138253817700 is 77183528311.

It can be written as a sum of positive squares in 3 ways, for example, as 34880044644 + 1103373773056 = 186762^2 + 1050416^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5691268989 + ... + 5691269188.

Almost surely, 2^{1138253817700} is an apocalyptic number.

1138253817700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1138253817700 is an abundant number, since it is smaller than the sum of its proper divisors (1331756966926).

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

1138253817700 is a wasteful number, since it uses less digits than its factorization.

1138253817700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11382538191 (or 11382538184 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 46.

The spelling of 1138253817700 in words is "one trillion, one hundred thirty-eight billion, two hundred fifty-three million, eight hundred seventeen thousand, seven hundred".