11475723671 has 4 divisors (see below), whose sum is σ = 11502982344. Its totient is φ = 11448465000.

The previous prime is 11475723653. The next prime is 11475723703. The reversal of 11475723671 is 17632757411.

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 11475723671 - 2¹⁸ = 11475461527 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 (11475723601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13628705 + ... + 13629546.

It is an arithmetic number, because the mean of its divisors is an integer number (2875745586).

Almost surely, 2^11475723671 is an apocalyptic number.

11475723671 is a deficient number, since it is larger than the sum of its proper divisors (27258673).

11475723671 is an equidigital number, since it uses as much as digits as its factorization.

11475723671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27258672.

The product of its digits is 246960, while the sum is 44.

The spelling of 11475723671 in words is "eleven billion, four hundred seventy-five million, seven hundred twenty-three thousand, six hundred seventy-one".