11611993386 has 32 divisors (see below), whose sum is σ = 26546037120. Its totient is φ = 3317170176.

The previous prime is 11611993357. The next prime is 11611993387. The reversal of 11611993386 is 68339911611.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11611993387) 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, 287530 + ... + 325418.

It is an arithmetic number, because the mean of its divisors is an integer number (829563660).

Almost surely, 2^11611993386 is an apocalyptic number.

11611993386 is an abundant number, since it is smaller than the sum of its proper divisors (14934043734).

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

11611993386 is a wasteful number, since it uses less digits than its factorization.

11611993386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45198.

The product of its digits is 209952, while the sum is 48.

The spelling of 11611993386 in words is "eleven billion, six hundred eleven million, nine hundred ninety-three thousand, three hundred eighty-six".