2057021117205 has 16 divisors (see below), whose sum is σ = 3291255742464. Its totient is φ = 1097070610880.

The previous prime is 2057021117191. The next prime is 2057021117269. The reversal of 2057021117205 is 5027111207502.

It is not a de Polignac number, because 2057021117205 - 2⁸ = 2057021116949 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2470975 + ... + 3196835.

It is an arithmetic number, because the mean of its divisors is an integer number (205703483904).

Almost surely, 2^{2057021117205} is an apocalyptic number.

It is an amenable number.

2057021117205 is a deficient number, since it is larger than the sum of its proper divisors (1234234625259).

2057021117205 is a wasteful number, since it uses less digits than its factorization.

2057021117205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 914796.

The product of its (nonzero) digits is 9800, while the sum is 33.

The spelling of 2057021117205 in words is "two trillion, fifty-seven billion, twenty-one million, one hundred seventeen thousand, two hundred five".