1138323415655 has 8 divisors (see below), whose sum is σ = 1366067166000. Its totient is φ = 910606021056.

The previous prime is 1138323415609. The next prime is 1138323415667. The reversal of 1138323415655 is 5565143238311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1138323415655 - 2²⁴ = 1138306638439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6493790 + ... + 6666779.

It is an arithmetic number, because the mean of its divisors is an integer number (170758395750).

Almost surely, 2^{1138323415655} is an apocalyptic number.

1138323415655 is a deficient number, since it is larger than the sum of its proper divisors (227743750345).

1138323415655 is a wasteful number, since it uses less digits than its factorization.

1138323415655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13177873.

The product of its digits is 1296000, while the sum is 47.

The spelling of 1138323415655 in words is "one trillion, one hundred thirty-eight billion, three hundred twenty-three million, four hundred fifteen thousand, six hundred fifty-five".