41561611512 has 64 divisors (see below), whose sum is σ = 105371642880. Its totient is φ = 13658349312.

The previous prime is 41561611477. The next prime is 41561611519. The reversal of 41561611512 is 21511616514.

It is a super-2 number, since 2×41561611512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41561611519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6870073 + ... + 6876119.

It is an arithmetic number, because the mean of its divisors is an integer number (1646431920).

Almost surely, 2^41561611512 is an apocalyptic number.

It is an amenable number.

41561611512 is an abundant number, since it is smaller than the sum of its proper divisors (63810031368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41561611512 is a wasteful number, since it uses less digits than its factorization.

41561611512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10052 (or 10048 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The spelling of 41561611512 in words is "forty-one billion, five hundred sixty-one million, six hundred eleven thousand, five hundred twelve".