36520605121 has 32 divisors (see below), whose sum is σ = 49250976768. Its totient is φ = 26152683840.

The previous prime is 36520605103. The next prime is 36520605193. The reversal of 36520605121 is 12150602563.

It is a cyclic number.

It is not a de Polignac number, because 36520605121 - 2¹³ = 36520596929 is a prime.

It is a super-2 number, since 2×36520605121² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36520603121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146866 + ... + 307588.

It is an arithmetic number, because the mean of its divisors is an integer number (1539093024).

Almost surely, 2^36520605121 is an apocalyptic number.

It is an amenable number.

36520605121 is a deficient number, since it is larger than the sum of its proper divisors (12730371647).

36520605121 is a wasteful number, since it uses less digits than its factorization.

36520605121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160981.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 36520605121 in words is "thirty-six billion, five hundred twenty million, six hundred five thousand, one hundred twenty-one".