36520456665 has 64 divisors (see below), whose sum is σ = 72877731840. Its totient is φ = 15171805440.

The previous prime is 36520456633. The next prime is 36520456667. The reversal of 36520456665 is 56665402563.

It is not a de Polignac number, because 36520456665 - 2⁵ = 36520456633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36520456667) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5215947 + ... + 5222943.

It is an arithmetic number, because the mean of its divisors is an integer number (1138714560).

Almost surely, 2^36520456665 is an apocalyptic number.

36520456665 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36520456665 is a deficient number, since it is larger than the sum of its proper divisors (36357275175).

36520456665 is a wasteful number, since it uses less digits than its factorization.

36520456665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11542.

The product of its (nonzero) digits is 3888000, while the sum is 48.

The spelling of 36520456665 in words is "thirty-six billion, five hundred twenty million, four hundred fifty-six thousand, six hundred sixty-five".