36402513525 has 72 divisors (see below), whose sum is σ = 78898682304. Its totient is φ = 15662246400.

The previous prime is 36402513509. The next prime is 36402513527. The reversal of 36402513525 is 52531520463.

36402513525 is a `hidden beast` number, since 3 + 640 + 2 + 5 + 1 + 3 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 36402513525 - 2⁴ = 36402513509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36402513525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36402513527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 653011 + ... + 706560.

It is an arithmetic number, because the mean of its divisors is an integer number (1095815032).

Almost surely, 2^36402513525 is an apocalyptic number.

36402513525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

36402513525 is an abundant number, since it is smaller than the sum of its proper divisors (42496168779).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

36402513525 is a wasteful number, since it uses less digits than its factorization.

36402513525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1359611 (or 1359603 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 36402513525 in words is "thirty-six billion, four hundred two million, five hundred thirteen thousand, five hundred twenty-five".