36236523121 has 4 divisors (see below), whose sum is σ = 36367341172. Its totient is φ = 36105705072.

The previous prime is 36236523079. The next prime is 36236523137. The reversal of 36236523121 is 12132563263.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12132563263 = 83 ⋅146175461.

It can be written as a sum of positive squares in 2 ways, for example, as 2855406096 + 33381117025 = 53436^2 + 182705^2 .

It is a cyclic number.

It is not a de Polignac number, because 36236523121 - 2¹³ = 36236514929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36236523221) 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, 65408610 + ... + 65409163.

It is an arithmetic number, because the mean of its divisors is an integer number (9091835293).

Almost surely, 2^36236523121 is an apocalyptic number.

It is an amenable number.

36236523121 is a deficient number, since it is larger than the sum of its proper divisors (130818051).

36236523121 is a wasteful number, since it uses less digits than its factorization.

36236523121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130818050.

The product of its digits is 38880, while the sum is 34.

The spelling of 36236523121 in words is "thirty-six billion, two hundred thirty-six million, five hundred twenty-three thousand, one hundred twenty-one".