1827155475105 has 16 divisors (see below), whose sum is σ = 2925494594880. Its totient is φ = 973800975168.

The previous prime is 1827155475077. The next prime is 1827155475157. The reversal of 1827155475105 is 5015745517281.

It is not a de Polignac number, because 1827155475105 - 2¹⁴ = 1827155458721 is a prime.

It is a super-2 number, since 2×1827155475105² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42599407 + ... + 42642276.

It is an arithmetic number, because the mean of its divisors is an integer number (182843412180).

Almost surely, 2^{1827155475105} is an apocalyptic number.

1827155475105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1827155475105 is a deficient number, since it is larger than the sum of its proper divisors (1098339119775).

1827155475105 is a wasteful number, since it uses less digits than its factorization.

1827155475105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85243120.

The product of its (nonzero) digits is 1960000, while the sum is 51.

The spelling of 1827155475105 in words is "one trillion, eight hundred twenty-seven billion, one hundred fifty-five million, four hundred seventy-five thousand, one hundred five".