2057021117215 has 16 divisors (see below), whose sum is σ = 2506791926880. Its totient is φ = 1620221219200.

The previous prime is 2057021117191. The next prime is 2057021117269. The reversal of 2057021117215 is 5127111207502.

It is a de Polignac number, because none of the positive numbers 2^k-2057021117215 is a prime.

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, 11287564 + ... + 11468353.

It is an arithmetic number, because the mean of its divisors is an integer number (156674495430).

Almost surely, 2^{2057021117215} is an apocalyptic number.

2057021117215 is a deficient number, since it is larger than the sum of its proper divisors (449770809665).

2057021117215 is a wasteful number, since it uses less digits than its factorization.

2057021117215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22756202.

The product of its (nonzero) digits is 9800, while the sum is 34.

The spelling of 2057021117215 in words is "two trillion, fifty-seven billion, twenty-one million, one hundred seventeen thousand, two hundred fifteen".