36521434125 has 96 divisors (see below), whose sum is σ = 72143001216. Its totient is φ = 17628000000.

The previous prime is 36521434121. The next prime is 36521434219. The reversal of 36521434125 is 52143412563.

36521434125 is a `hidden beast` number, since 3 + 6 + 521 + 4 + 3 + 4 + 125 = 666.

It is not a de Polignac number, because 36521434125 - 2² = 36521434121 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 36521434125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36521434121) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2802625 + ... + 2815625.

It is an arithmetic number, because the mean of its divisors is an integer number (751489596).

Almost surely, 2^36521434125 is an apocalyptic number.

It is an amenable number.

36521434125 is a deficient number, since it is larger than the sum of its proper divisors (35621567091).

36521434125 is a wasteful number, since it uses less digits than its factorization.

36521434125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13260 (or 13247 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

Adding to 36521434125 its reverse (52143412563), we get a palindrome (88664846688).

The spelling of 36521434125 in words is "thirty-six billion, five hundred twenty-one million, four hundred thirty-four thousand, one hundred twenty-five".