671137011 has 12 divisors (see below), whose sum is σ = 1000692160. Its totient is φ = 432991440.

The previous prime is 671137003. The next prime is 671137069. The reversal of 671137011 is 110731176.

It is not a de Polignac number, because 671137011 - 2³ = 671137003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (671137081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1202476 + ... + 1203033.

Almost surely, 2^671137011 is an apocalyptic number.

671137011 is a deficient number, since it is larger than the sum of its proper divisors (329555149).

671137011 is a wasteful number, since it uses less digits than its factorization.

671137011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2405546 (or 2405543 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 671137011 is about 25906.3121844851. The cubic root of 671137011 is about 875.5287192595.

Adding to 671137011 its reverse (110731176), we get a palindrome (781868187).

The spelling of 671137011 in words is "six hundred seventy-one million, one hundred thirty-seven thousand, eleven".