11211200571 has 16 divisors (see below), whose sum is σ = 15025881600. Its totient is φ = 7435390368.

The previous prime is 11211200513. The next prime is 11211200573. The reversal of 11211200571 is 17500211211.

It is not a de Polignac number, because 11211200571 - 2¹⁹ = 11210676283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211200573) 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, 759160 + ... + 773786.

It is an arithmetic number, because the mean of its divisors is an integer number (939117600).

Almost surely, 2^11211200571 is an apocalyptic number.

11211200571 is a deficient number, since it is larger than the sum of its proper divisors (3814681029).

11211200571 is a wasteful number, since it uses less digits than its factorization.

11211200571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938.

The product of its (nonzero) digits is 140, while the sum is 21.

Adding to 11211200571 its reverse (17500211211), we get a palindrome (28711411782).

The spelling of 11211200571 in words is "eleven billion, two hundred eleven million, two hundred thousand, five hundred seventy-one".