2057155110667 has 4 divisors (see below), whose sum is σ = 2057157982840. Its totient is φ = 2057152238496.

The previous prime is 2057155110617. The next prime is 2057155110677. The reversal of 2057155110667 is 7660115517502.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2057155110667 - 2³⁹ = 1507399296779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2057155110617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 610003 + ... + 2118115.

It is an arithmetic number, because the mean of its divisors is an integer number (514289495710).

Almost surely, 2^{2057155110667} is an apocalyptic number.

2057155110667 is a deficient number, since it is larger than the sum of its proper divisors (2872173).

2057155110667 is a wasteful number, since it uses less digits than its factorization.

2057155110667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2872172.

The product of its (nonzero) digits is 441000, while the sum is 46.

The spelling of 2057155110667 in words is "two trillion, fifty-seven billion, one hundred fifty-five million, one hundred ten thousand, six hundred sixty-seven".