36403215121 has 32 divisors (see below), whose sum is σ = 45351774720. Its totient is φ = 28451022336.

The previous prime is 36403215083. The next prime is 36403215161. The reversal of 36403215121 is 12151230463.

It is a cyclic number.

It is not a de Polignac number, because 36403215121 - 2⁷ = 36403214993 is a prime.

It is a super-2 number, since 2×36403215121² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 36403215121.

It is not an unprimeable number, because it can be changed into a prime (36403215161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13013695 + ... + 13016491.

It is an arithmetic number, because the mean of its divisors is an integer number (1417242960).

Almost surely, 2^36403215121 is an apocalyptic number.

It is an amenable number.

36403215121 is a deficient number, since it is larger than the sum of its proper divisors (8948559599).

36403215121 is a wasteful number, since it uses less digits than its factorization.

36403215121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 36403215121 its reverse (12151230463), we get a palindrome (48554445584).

The spelling of 36403215121 in words is "thirty-six billion, four hundred three million, two hundred fifteen thousand, one hundred twenty-one".