211413524530 has 16 divisors (see below), whose sum is σ = 409816986264. Its totient is φ = 78060378240.

The previous prime is 211413524489. The next prime is 211413524537. The reversal of 211413524530 is 35425314112.

It can be written as a sum of positive squares in 4 ways, for example, as 113019009489 + 98394515041 = 336183^2 + 313679^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211413524492 and 211413524501.

It is not an unprimeable number, because it can be changed into a prime (211413524537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813128811 + ... + 813129070.

Almost surely, 2^211413524530 is an apocalyptic number.

211413524530 is a deficient number, since it is larger than the sum of its proper divisors (198403461734).

211413524530 is a wasteful number, since it uses less digits than its factorization.

211413524530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626257901.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 211413524530 its reverse (35425314112), we get a palindrome (246838838642).

The spelling of 211413524530 in words is "two hundred eleven billion, four hundred thirteen million, five hundred twenty-four thousand, five hundred thirty".