41561388056 has 16 divisors (see below), whose sum is σ = 81315759600. Its totient is φ = 19877185504.

The previous prime is 41561388023. The next prime is 41561388067. The reversal of 41561388056 is 65088316514.

It is a self number, because there is not a number n which added to its sum of digits gives 41561388056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112938371 + ... + 112938738.

It is an arithmetic number, because the mean of its divisors is an integer number (5082234975).

Almost surely, 2^41561388056 is an apocalyptic number.

41561388056 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

41561388056 is a deficient number, since it is larger than the sum of its proper divisors (39754371544).

41561388056 is a wasteful number, since it uses less digits than its factorization.

41561388056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225877138 (or 225877134 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 41561388056 in words is "forty-one billion, five hundred sixty-one million, three hundred eighty-eight thousand, fifty-six".