11138486642 has 8 divisors (see below), whose sum is σ = 16863877296. Its totient is φ = 5517194212.

The previous prime is 11138486617. The next prime is 11138486647. The reversal of 11138486642 is 24668483111.

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

It is a junction number, because it is equal to n+sod(n) for n = 11138486593 and 11138486602.

It is not an unprimeable number, because it can be changed into a prime (11138486647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26024288 + ... + 26024715.

It is an arithmetic number, because the mean of its divisors is an integer number (2107984662).

Almost surely, 2^11138486642 is an apocalyptic number.

11138486642 is a deficient number, since it is larger than the sum of its proper divisors (5725390654).

11138486642 is a wasteful number, since it uses less digits than its factorization.

11138486642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52049112.

The product of its digits is 221184, while the sum is 44.

The spelling of 11138486642 in words is "eleven billion, one hundred thirty-eight million, four hundred eighty-six thousand, six hundred forty-two".