57118172543 has 2 divisors, whose sum is σ = 57118172544. Its totient is φ = 57118172542.

The previous prime is 57118172539. The next prime is 57118172581. The reversal of 57118172543 is 34527181175.

57118172543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57118172543 - 2² = 57118172539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57118172494 and 57118172503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57118172743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28559086271 + 28559086272.

It is an arithmetic number, because the mean of its divisors is an integer number (28559086272).

Almost surely, 2^57118172543 is an apocalyptic number.

57118172543 is a deficient number, since it is larger than the sum of its proper divisors (1).

57118172543 is an equidigital number, since it uses as much as digits as its factorization.

57118172543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235200, while the sum is 44.

The spelling of 57118172543 in words is "fifty-seven billion, one hundred eighteen million, one hundred seventy-two thousand, five hundred forty-three".