36021715120 has 80 divisors (see below), whose sum is σ = 85878065952. Its totient is φ = 14046842880.

The previous prime is 36021715091. The next prime is 36021715133. The reversal of 36021715120 is 2151712063.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×36021715120² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 518779 + ... + 584101.

Almost surely, 2^36021715120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36021715120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42939032976).

36021715120 is an abundant number, since it is smaller than the sum of its proper divisors (49856350832).

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

36021715120 is a wasteful number, since it uses less digits than its factorization.

36021715120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65510 (or 65504 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The spelling of 36021715120 in words is "thirty-six billion, twenty-one million, seven hundred fifteen thousand, one hundred twenty".