11701700575571 has 4 divisors (see below), whose sum is σ = 12105207492000. Its totient is φ = 11298193659144.

The previous prime is 11701700575561. The next prime is 11701700575601. The reversal of 11701700575571 is 17557500710711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11701700575571 - 2¹⁸ = 11701700313427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11701700575561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201753458171 + ... + 201753458228.

It is an arithmetic number, because the mean of its divisors is an integer number (3026301873000).

Almost surely, 2^{11701700575571} is an apocalyptic number.

11701700575571 is a deficient number, since it is larger than the sum of its proper divisors (403506916429).

11701700575571 is an equidigital number, since it uses as much as digits as its factorization.

11701700575571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403506916428.

The product of its (nonzero) digits is 300125, while the sum is 47.

The spelling of 11701700575571 in words is "eleven trillion, seven hundred one billion, seven hundred million, five hundred seventy-five thousand, five hundred seventy-one".