2057143223526 has 64 divisors (see below), whose sum is σ = 4245881806848. Its totient is φ = 664060819968.

The previous prime is 2057143223519. The next prime is 2057143223533. The reversal of 2057143223526 is 6253223417502.

It is an interprime number because it is at equal distance from previous prime (2057143223519) and next prime (2057143223533).

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 31 ways as a sum of consecutive naturals, for example, 52307646 + ... + 52346958.

It is an arithmetic number, because the mean of its divisors is an integer number (66341903232).

Almost surely, 2^{2057143223526} is an apocalyptic number.

2057143223526 is an abundant number, since it is smaller than the sum of its proper divisors (2188738583322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057143223526 is a wasteful number, since it uses less digits than its factorization.

2057143223526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41085.

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 2057143223526 in words is "two trillion, fifty-seven billion, one hundred forty-three million, two hundred twenty-three thousand, five hundred twenty-six".