1113400213209 has 6 divisors (see below), whose sum is σ = 1608244752426. Its totient is φ = 742266808800.

The previous prime is 1113400213193. The next prime is 1113400213271. The reversal of 1113400213209 is 9023120043111.

1113400213209 is a `hidden beast` number, since 11 + 13 + 400 + 213 + 20 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1033367803209 + 80032410000 = 1016547^2 + 282900^2 .

It is not a de Polignac number, because 1113400213209 - 2⁴ = 1113400213193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1113400213279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61855567392 + ... + 61855567409.

It is an arithmetic number, because the mean of its divisors is an integer number (268040792071).

Almost surely, 2^{1113400213209} is an apocalyptic number.

It is an amenable number.

1113400213209 is a deficient number, since it is larger than the sum of its proper divisors (494844539217).

1113400213209 is a wasteful number, since it uses less digits than its factorization.

1113400213209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123711134807 (or 123711134804 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 1113400213209 in words is "one trillion, one hundred thirteen billion, four hundred million, two hundred thirteen thousand, two hundred nine".