36361642505 has 8 divisors (see below), whose sum is σ = 43638909192. Its totient is φ = 29086021888.

The previous prime is 36361642423. The next prime is 36361642523. The reversal of 36361642505 is 50524616363.

It can be written as a sum of positive squares in 4 ways, for example, as 1815100816 + 34546541689 = 42604^2 + 185867^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36361642505 - 2¹⁶ = 36361576969 is a prime.

It is a super-2 number, since 2×36361642505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362384 + ... + 451713.

It is an arithmetic number, because the mean of its divisors is an integer number (5454863649).

Almost surely, 2^36361642505 is an apocalyptic number.

It is an amenable number.

36361642505 is a deficient number, since it is larger than the sum of its proper divisors (7277266687).

36361642505 is an equidigital number, since it uses as much as digits as its factorization.

36361642505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823035.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 36361642505 in words is "thirty-six billion, three hundred sixty-one million, six hundred forty-two thousand, five hundred five".