557201103126211 has 4 divisors (see below), whose sum is σ = 560421918751392. Its totient is φ = 553980287501032.

The previous prime is 557201103126137. The next prime is 557201103126257. The reversal of 557201103126211 is 112621301102755.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 557201103126211 - 2²⁹ = 557200566255299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (557201103126281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1610407812331 + ... + 1610407812676.

It is an arithmetic number, because the mean of its divisors is an integer number (140105479687848).

Almost surely, 2^{557201103126211} is an apocalyptic number.

557201103126211 is a deficient number, since it is larger than the sum of its proper divisors (3220815625181).

557201103126211 is a wasteful number, since it uses less digits than its factorization.

557201103126211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220815625180.

The product of its (nonzero) digits is 25200, while the sum is 37.

Adding to 557201103126211 its reverse (112621301102755), we get a palindrome (669822404228966).

The spelling of 557201103126211 in words is "five hundred fifty-seven trillion, two hundred one billion, one hundred three million, one hundred twenty-six thousand, two hundred eleven".