36693421111 has 4 divisors (see below), whose sum is σ = 36704547000. Its totient is φ = 36682295224.

The previous prime is 36693421109. The next prime is 36693421181. The reversal of 36693421111 is 11112439663.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11112439663 = 13 ⋅854803051.

It is a cyclic number.

It is not a de Polignac number, because 36693421111 - 2¹ = 36693421109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36693421181) 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, 5557996 + ... + 5564593.

It is an arithmetic number, because the mean of its divisors is an integer number (9176136750).

Almost surely, 2^36693421111 is an apocalyptic number.

36693421111 is a deficient number, since it is larger than the sum of its proper divisors (11125889).

36693421111 is a wasteful number, since it uses less digits than its factorization.

36693421111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11125888.

The product of its digits is 23328, while the sum is 37.

The spelling of 36693421111 in words is "thirty-six billion, six hundred ninety-three million, four hundred twenty-one thousand, one hundred eleven".