36072231002509 has 24 divisors (see below), whose sum is σ = 39322816205640. Its totient is φ = 33073945152768.

The previous prime is 36072231002497. The next prime is 36072231002527. The reversal of 36072231002509 is 90520013227063.

It can be written as a sum of positive squares in 12 ways, for example, as 8860463082409 + 27211767920100 = 2976653^2 + 5216490^2 .

It is not a de Polignac number, because 36072231002509 - 2²¹ = 36072228905357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36072231702509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77163727 + ... + 77629795.

It is an arithmetic number, because the mean of its divisors is an integer number (1638450675235).

Almost surely, 2^{36072231002509} is an apocalyptic number.

It is an amenable number.

36072231002509 is a deficient number, since it is larger than the sum of its proper divisors (3250585203131).

36072231002509 is a wasteful number, since it uses less digits than its factorization.

36072231002509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469169 (or 469156 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 36072231002509 in words is "thirty-six trillion, seventy-two billion, two hundred thirty-one million, two thousand, five hundred nine".