11626429171 has 4 divisors (see below), whose sum is σ = 13287347632. Its totient is φ = 9965510712.

The previous prime is 11626429147. The next prime is 11626429181. The reversal of 11626429171 is 17192462611.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11626429171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11626429141) 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, 830459220 + ... + 830459233.

It is an arithmetic number, because the mean of its divisors is an integer number (3321836908).

Almost surely, 2^11626429171 is an apocalyptic number.

11626429171 is a deficient number, since it is larger than the sum of its proper divisors (1660918461).

11626429171 is an equidigital number, since it uses as much as digits as its factorization.

11626429171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660918460.

The product of its digits is 36288, while the sum is 40.

The spelling of 11626429171 in words is "eleven billion, six hundred twenty-six million, four hundred twenty-nine thousand, one hundred seventy-one".