41865886511820 has 108 divisors (see below), whose sum is σ = 147726771008544. Its totient is φ = 9569345486400.

The previous prime is 41865886511819. The next prime is 41865886511821. The reversal of 41865886511820 is 2811568856814.

41865886511820 is a `hidden beast` number, since 4 + 18 + 6 + 5 + 8 + 86 + 511 + 8 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (41865886511819) and next prime (41865886511821).

It is a super-3 number, since 3×41865886511820³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (41865886511821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2373340756 + ... + 2373358395.

Almost surely, 2^{41865886511820} is an apocalyptic number.

It is an amenable number.

41865886511820 is an abundant number, since it is smaller than the sum of its proper divisors (105860884496724).

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

41865886511820 is a wasteful number, since it uses less digits than its factorization.

41865886511820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4746699180 (or 4746699168 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 63.

The spelling of 41865886511820 in words is "forty-one trillion, eight hundred sixty-five billion, eight hundred eighty-six million, five hundred eleven thousand, eight hundred twenty".