1042555152105 has 24 divisors (see below), whose sum is σ = 1902205893120. Its totient is φ = 526764708000.

The previous prime is 1042555152097. The next prime is 1042555152167. The reversal of 1042555152105 is 5012515552401.

1042555152105 is a `hidden beast` number, since 1 + 0 + 42 + 5 + 551 + 52 + 10 + 5 = 666.

It is not a de Polignac number, because 1042555152105 - 2³ = 1042555152097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1042555152105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 609680521 + ... + 609682230.

It is an arithmetic number, because the mean of its divisors is an integer number (79258578880).

Almost surely, 2^{1042555152105} is an apocalyptic number.

1042555152105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042555152105 is a deficient number, since it is larger than the sum of its proper divisors (859650741015).

1042555152105 is a wasteful number, since it uses less digits than its factorization.

1042555152105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219362781 (or 1219362778 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 1042555152105 in words is "one trillion, forty-two billion, five hundred fifty-five million, one hundred fifty-two thousand, one hundred five".