11608189901 has 16 divisors (see below), whose sum is σ = 14476345728. Its totient is φ = 9042969600.

The previous prime is 11608189877. The next prime is 11608189921. The reversal of 11608189901 is 10998180611.

It is not a de Polignac number, because 11608189901 - 2¹⁰ = 11608188877 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11608189921) 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, 311381 + ... + 346661.

It is an arithmetic number, because the mean of its divisors is an integer number (904771608).

Almost surely, 2^11608189901 is an apocalyptic number.

11608189901 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11608189901 is a deficient number, since it is larger than the sum of its proper divisors (2868155827).

11608189901 is a wasteful number, since it uses less digits than its factorization.

11608189901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39572.

The product of its (nonzero) digits is 31104, while the sum is 44.

The spelling of 11608189901 in words is "eleven billion, six hundred eight million, one hundred eighty-nine thousand, nine hundred one".