217115700132 has 48 divisors (see below), whose sum is σ = 516311796672. Its totient is φ = 70985765760.

The previous prime is 217115700103. The next prime is 217115700163. The reversal of 217115700132 is 231007511712.

It is a self number, because there is not a number n which added to its sum of digits gives 217115700132.

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, 2223358 + ... + 2318954.

It is an arithmetic number, because the mean of its divisors is an integer number (10756495764).

Almost surely, 2^217115700132 is an apocalyptic number.

It is an amenable number.

217115700132 is an abundant number, since it is smaller than the sum of its proper divisors (299196096540).

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

217115700132 is a wasteful number, since it uses less digits than its factorization.

217115700132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99228 (or 99226 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 30.

The spelling of 217115700132 in words is "two hundred seventeen billion, one hundred fifteen million, seven hundred thousand, one hundred thirty-two".