11701155640671 has 24 divisors (see below), whose sum is σ = 19319061319584. Its totient is φ = 6685381923840.

The previous prime is 11701155640651. The next prime is 11701155640687. The reversal of 11701155640671 is 17604655110711.

11701155640671 is a `hidden beast` number, since 1 + 1 + 7 + 0 + 1 + 15 + 564 + 0 + 6 + 71 = 666.

It is not a de Polignac number, because 11701155640671 - 2⁷ = 11701155640543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11701155640651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13360090 + ... + 14208951.

It is an arithmetic number, because the mean of its divisors is an integer number (804960888316).

Almost surely, 2^{11701155640671} is an apocalyptic number.

11701155640671 is a deficient number, since it is larger than the sum of its proper divisors (7617905678913).

11701155640671 is a wasteful number, since it uses less digits than its factorization.

11701155640671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27575791 (or 27575788 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 45.

The spelling of 11701155640671 in words is "eleven trillion, seven hundred one billion, one hundred fifty-five million, six hundred forty thousand, six hundred seventy-one".