136321021611 has 6 divisors (see below), whose sum is σ = 196908142340. Its totient is φ = 90880681068.

The previous prime is 136321021559. The next prime is 136321021621. The reversal of 136321021611 is 116120123631.

It is a happy number.

136321021611 is a `hidden beast` number, since 1 + 3 + 6 + 3 + 21 + 0 + 21 + 611 = 666.

It is not a de Polignac number, because 136321021611 - 2⁶ = 136321021547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (136321021621) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7573390081 + ... + 7573390098.

Almost surely, 2^136321021611 is an apocalyptic number.

136321021611 is a deficient number, since it is larger than the sum of its proper divisors (60587120729).

136321021611 is a wasteful number, since it uses less digits than its factorization.

136321021611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15146780185 (or 15146780182 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The spelling of 136321021611 in words is "one hundred thirty-six billion, three hundred twenty-one million, twenty-one thousand, six hundred eleven".