1138656574443 has 8 divisors (see below), whose sum is σ = 1522279032208. Its totient is φ = 757069249824.

The previous prime is 1138656574441. The next prime is 1138656574453. The reversal of 1138656574443 is 3444756568311.

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

It is not a de Polignac number, because 1138656574443 - 2¹ = 1138656574441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1138656574441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508781980 + ... + 508784217.

It is an arithmetic number, because the mean of its divisors is an integer number (190284879026).

Almost surely, 2^{1138656574443} is an apocalyptic number.

1138656574443 is a deficient number, since it is larger than the sum of its proper divisors (383622457765).

1138656574443 is a wasteful number, since it uses less digits than its factorization.

1138656574443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017566573.

The product of its digits is 29030400, while the sum is 57.

The spelling of 1138656574443 in words is "one trillion, one hundred thirty-eight billion, six hundred fifty-six million, five hundred seventy-four thousand, four hundred forty-three".