206053156402571 has 16 divisors (see below), whose sum is σ = 210714468370560. Its totient is φ = 201403527951360.

The previous prime is 206053156402559. The next prime is 206053156402631. The reversal of 206053156402571 is 175204651350602.

It is a cyclic number.

It is not a de Polignac number, because 206053156402571 - 2³⁰ = 206052082660747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206053156402871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141750275 + ... + 143196531.

It is an arithmetic number, because the mean of its divisors is an integer number (13169654273160).

Almost surely, 2^{206053156402571} is an apocalyptic number.

206053156402571 is a deficient number, since it is larger than the sum of its proper divisors (4661311967989).

206053156402571 is a wasteful number, since it uses less digits than its factorization.

206053156402571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1450294.

The product of its (nonzero) digits is 1512000, while the sum is 47.

The spelling of 206053156402571 in words is "two hundred six trillion, fifty-three billion, one hundred fifty-six million, four hundred two thousand, five hundred seventy-one".