36721121432 has 16 divisors (see below), whose sum is σ = 70317041760. Its totient is φ = 17969910304.

The previous prime is 36721121407. The next prime is 36721121447. The reversal of 36721121432 is 23412112763.

36721121432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48830903 + ... + 48831654.

It is an arithmetic number, because the mean of its divisors is an integer number (4394815110).

Almost surely, 2^36721121432 is an apocalyptic number.

It is an amenable number.

36721121432 is a deficient number, since it is larger than the sum of its proper divisors (33595920328).

36721121432 is a wasteful number, since it uses less digits than its factorization.

36721121432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97662610 (or 97662606 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The spelling of 36721121432 in words is "thirty-six billion, seven hundred twenty-one million, one hundred twenty-one thousand, four hundred thirty-two".