557116911 has 24 divisors (see below), whose sum is σ = 917607600. Its totient is φ = 322672896.

The previous prime is 557116837. The next prime is 557116933. The reversal of 557116911 is 119611755.

557116911 is a `hidden beast` number, since 557 + 1 + 16 + 91 + 1 = 666.

It is not a de Polignac number, because 557116911 - 2¹⁰ = 557115887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557116951) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138061 + ... + 142038.

It is an arithmetic number, because the mean of its divisors is an integer number (38233650).

Almost surely, 2^557116911 is an apocalyptic number.

557116911 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

557116911 is a deficient number, since it is larger than the sum of its proper divisors (360490689).

557116911 is a wasteful number, since it uses less digits than its factorization.

557116911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280135 (or 280132 counting only the distinct ones).

The product of its digits is 9450, while the sum is 36.

The square root of 557116911 is about 23603.3241514834. The cubic root of 557116911 is about 822.8400978328.

The spelling of 557116911 in words is "five hundred fifty-seven million, one hundred sixteen thousand, nine hundred eleven".