972055035018 has 32 divisors (see below), whose sum is σ = 2186147880000.
Its totient is φ = 320114508048.
The previous prime is 972055035001. The next prime is 972055035019. The reversal of 972055035018 is 810530550279.
972055035018 is a `hidden beast` number, since 97 + 2 + 0 + 5 + 50 + 3 + 501 + 8 = 666.
It is a super-2 number, since 2×9720550350182 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (972055035019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108435393 + ... + 108444356.
It is an arithmetic number, because the mean of its divisors is an integer number (68317121250).
Almost surely, 2972055035018 is an apocalyptic number.
972055035018 is an abundant number, since it is smaller than the sum of its proper divisors (1214092844982).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
972055035018 is a wasteful number, since it uses less digits than its factorization.
972055035018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 216879843 (or 216879837 counting only the distinct ones).
The product of its (nonzero) digits is 378000, while the sum is 45.
The spelling of 972055035018 in words is "nine hundred seventy-two billion, fifty-five million, thirty-five thousand, eighteen".