11621706071 has 8 divisors (see below), whose sum is σ = 11985148800. Its totient is φ = 11263812280.

The previous prime is 11621706043. The next prime is 11621706077. The reversal of 11621706071 is 17060712611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11621706071 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 (11621706077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1382981 + ... + 1391358.

It is an arithmetic number, because the mean of its divisors is an integer number (1498143600).

Almost surely, 2^11621706071 is an apocalyptic number.

11621706071 is a deficient number, since it is larger than the sum of its proper divisors (363442729).

11621706071 is an equidigital number, since it uses as much as digits as its factorization.

11621706071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774469.

The product of its (nonzero) digits is 3528, while the sum is 32.

The spelling of 11621706071 in words is "eleven billion, six hundred twenty-one million, seven hundred six thousand, seventy-one".