11071704021 has 8 divisors (see below), whose sum is σ = 16871168064. Its totient is φ = 6326688000.

The previous prime is 11071704011. The next prime is 11071704079. The reversal of 11071704021 is 12040717011.

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

It is not a de Polignac number, because 11071704021 - 2⁷ = 11071703893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11071703982 and 11071704000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11071704011) 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, 263611980 + ... + 263612021.

It is an arithmetic number, because the mean of its divisors is an integer number (2108896008).

Almost surely, 2^11071704021 is an apocalyptic number.

It is an amenable number.

11071704021 is a deficient number, since it is larger than the sum of its proper divisors (5799464043).

11071704021 is an equidigital number, since it uses as much as digits as its factorization.

11071704021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527224011.

The product of its (nonzero) digits is 392, while the sum is 24.

The spelling of 11071704021 in words is "eleven billion, seventy-one million, seven hundred four thousand, twenty-one".