11138611386 has 32 divisors (see below), whose sum is σ = 25484054400. Its totient is φ = 3179414016.

The previous prime is 11138611291. The next prime is 11138611391. The reversal of 11138611386 is 68311683111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82351 + ... + 170466.

It is an arithmetic number, because the mean of its divisors is an integer number (796376700).

Almost surely, 2^11138611386 is an apocalyptic number.

11138611386 is an abundant number, since it is smaller than the sum of its proper divisors (14345443014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11138611386 is a wasteful number, since it uses less digits than its factorization.

11138611386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253878.

The product of its digits is 20736, while the sum is 39.

The spelling of 11138611386 in words is "eleven billion, one hundred thirty-eight million, six hundred eleven thousand, three hundred eighty-six".