41011778017854 has 160 divisors (see below), whose sum is σ = 111450495499200. Its totient is φ = 11003812872192.

The previous prime is 41011778017853. The next prime is 41011778017921. The reversal of 41011778017854 is 45871087711014.

41011778017854 is a `hidden beast` number, since 410 + 1 + 1 + 7 + 7 + 8 + 0 + 178 + 54 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 41011778017854.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41011778017853) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 6286794 + ... + 11024850.

It is an arithmetic number, because the mean of its divisors is an integer number (696565596870).

Almost surely, 2^{41011778017854} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41011778017854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55725247749600).

41011778017854 is an abundant number, since it is smaller than the sum of its proper divisors (70438717481346).

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

41011778017854 is a wasteful number, since it uses less digits than its factorization.

41011778017854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4738544 (or 4738535 counting only the distinct ones).

The product of its (nonzero) digits is 1756160, while the sum is 54.

The spelling of 41011778017854 in words is "forty-one trillion, eleven billion, seven hundred seventy-eight million, seventeen thousand, eight hundred fifty-four".