11601510671 has 4 divisors (see below), whose sum is σ = 11741287992. Its totient is φ = 11461733352.

The previous prime is 11601510667. The next prime is 11601510673. The reversal of 11601510671 is 17601510611.

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 11601510671 - 2² = 11601510667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11601510673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69888536 + ... + 69888701.

It is an arithmetic number, because the mean of its divisors is an integer number (2935321998).

Almost surely, 2^11601510671 is an apocalyptic number.

11601510671 is a deficient number, since it is larger than the sum of its proper divisors (139777321).

11601510671 is an equidigital number, since it uses as much as digits as its factorization.

11601510671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139777320.

The product of its (nonzero) digits is 1260, while the sum is 29.

The spelling of 11601510671 in words is "eleven billion, six hundred one million, five hundred ten thousand, six hundred seventy-one".