671044571575011 has 24 divisors (see below), whose sum is σ = 974411493780816. Its totient is φ = 444998202255360.

The previous prime is 671044571574983. The next prime is 671044571575093. The reversal of 671044571575011 is 110575175440176.

671044571575011 is a `hidden beast` number, since 6 + 7 + 1 + 0 + 4 + 4 + 57 + 1 + 575 + 0 + 11 = 666.

It is not a de Polignac number, because 671044571575011 - 2⁹ = 671044571574499 is a prime.

It is a super-2 number, since 2×671044571575011² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (671044571525011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3866250 + ... + 36837983.

It is an arithmetic number, because the mean of its divisors is an integer number (40600478907534).

Almost surely, 2^{671044571575011} is an apocalyptic number.

671044571575011 is a deficient number, since it is larger than the sum of its proper divisors (303366922205805).

671044571575011 is a wasteful number, since it uses less digits than its factorization.

671044571575011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40713923 (or 40713920 counting only the distinct ones).

The product of its (nonzero) digits is 4116000, while the sum is 54.

The spelling of 671044571575011 in words is "six hundred seventy-one trillion, forty-four billion, five hundred seventy-one million, five hundred seventy-five thousand, eleven".