1138618705603 has 16 divisors (see below), whose sum is σ = 1153549228320. Its totient is φ = 1123776331776.

The previous prime is 1138618705597. The next prime is 1138618705607. The reversal of 1138618705603 is 3065078168311.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1138618705603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138618705607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135239728 + ... + 135248146.

It is an arithmetic number, because the mean of its divisors is an integer number (72096826770).

Almost surely, 2^{1138618705603} is an apocalyptic number.

1138618705603 is a deficient number, since it is larger than the sum of its proper divisors (14930522717).

1138618705603 is a wasteful number, since it uses less digits than its factorization.

1138618705603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13446.

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 1138618705603 in words is "one trillion, one hundred thirty-eight billion, six hundred eighteen million, seven hundred five thousand, six hundred three".