211020452534 has 8 divisors (see below), whose sum is σ = 319488909768. Its totient is φ = 104524149280.

The previous prime is 211020452527. The next prime is 211020452567. The reversal of 211020452534 is 435254020112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 211020452497 and 211020452506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493038227 + ... + 493038654.

It is an arithmetic number, because the mean of its divisors is an integer number (39936113721).

Almost surely, 2^211020452534 is an apocalyptic number.

211020452534 is a deficient number, since it is larger than the sum of its proper divisors (108468457234).

211020452534 is a wasteful number, since it uses less digits than its factorization.

211020452534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986076990.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 211020452534 its reverse (435254020112), we get a palindrome (646274472646).

The spelling of 211020452534 in words is "two hundred eleven billion, twenty million, four hundred fifty-two thousand, five hundred thirty-four".