217058157052 has 24 divisors (see below), whose sum is σ = 414866229120. Its totient is φ = 98547923760.

The previous prime is 217058157047. The next prime is 217058157061. The reversal of 217058157052 is 250751850712.

217058157052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×217058157052² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2833648 + ... + 2909239.

It is an arithmetic number, because the mean of its divisors is an integer number (17286092880).

Almost surely, 2^217058157052 is an apocalyptic number.

217058157052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

217058157052 is a deficient number, since it is larger than the sum of its proper divisors (197808072068).

217058157052 is a wasteful number, since it uses less digits than its factorization.

217058157052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5743761 (or 5743759 counting only the distinct ones).

The product of its (nonzero) digits is 196000, while the sum is 43.

The spelling of 217058157052 in words is "two hundred seventeen billion, fifty-eight million, one hundred fifty-seven thousand, fifty-two".