61171039004 has 24 divisors (see below), whose sum is σ = 113389109568. Its totient is φ = 28775508480.

The previous prime is 61171038941. The next prime is 61171039019. The reversal of 61171039004 is 40093017116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13232 + ... + 350024.

It is an arithmetic number, because the mean of its divisors is an integer number (4724546232).

Almost surely, 2^61171039004 is an apocalyptic number.

It is an amenable number.

61171039004 is a deficient number, since it is larger than the sum of its proper divisors (52218070564).

61171039004 is a wasteful number, since it uses less digits than its factorization.

61171039004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339485 (or 339483 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 61171039004 in words is "sixty-one billion, one hundred seventy-one million, thirty-nine thousand, four".