1878284541105 has 32 divisors (see below), whose sum is σ = 3816197164800. Its totient is φ = 858644361216.

The previous prime is 1878284541083. The next prime is 1878284541127. The reversal of 1878284541105 is 5011454828781.

1878284541105 is a `hidden beast` number, since 1 + 8 + 7 + 8 + 2 + 84 + 541 + 10 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (1878284541083) and next prime (1878284541127).

It is not a de Polignac number, because 1878284541105 - 2⁹ = 1878284540593 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 993800400 + ... + 993802289.

It is an arithmetic number, because the mean of its divisors is an integer number (119256161400).

Almost surely, 2^{1878284541105} is an apocalyptic number.

1878284541105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1878284541105 is an abundant number, since it is smaller than the sum of its proper divisors (1937912623695).

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

1878284541105 is a wasteful number, since it uses less digits than its factorization.

1878284541105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987602710 (or 1987602704 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 54.

The spelling of 1878284541105 in words is "one trillion, eight hundred seventy-eight billion, two hundred eighty-four million, five hundred forty-one thousand, one hundred five".