36520131505 has 32 divisors (see below), whose sum is σ = 52457207040. Its totient is φ = 24054401280.

The previous prime is 36520131457. The next prime is 36520131517. The reversal of 36520131505 is 50513102563.

It is not a de Polignac number, because 36520131505 - 2⁹ = 36520130993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 443965 + ... + 519754.

It is an arithmetic number, because the mean of its divisors is an integer number (1639287720).

Almost surely, 2^36520131505 is an apocalyptic number.

It is an amenable number.

36520131505 is a deficient number, since it is larger than the sum of its proper divisors (15937075535).

36520131505 is a wasteful number, since it uses less digits than its factorization.

36520131505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963801.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 36520131505 in words is "thirty-six billion, five hundred twenty million, one hundred thirty-one thousand, five hundred five".