2042066500551 has 128 divisors (see below), whose sum is σ = 3919601664000. Its totient is φ = 1019699280000.

The previous prime is 2042066500493. The next prime is 2042066500571. The reversal of 2042066500551 is 1550056602402.

2042066500551 is a `hidden beast` number, since 2 + 0 + 42 + 0 + 6 + 65 + 0 + 0 + 551 = 666.

It is not a de Polignac number, because 2042066500551 - 2⁷ = 2042066500423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042066500571) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9496576 + ... + 9709226.

It is an arithmetic number, because the mean of its divisors is an integer number (30621888000).

Almost surely, 2^{2042066500551} is an apocalyptic number.

2042066500551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2042066500551 is a deficient number, since it is larger than the sum of its proper divisors (1877535163449).

2042066500551 is a wasteful number, since it uses less digits than its factorization.

2042066500551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212858 (or 212852 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The spelling of 2042066500551 in words is "two trillion, forty-two billion, sixty-six million, five hundred thousand, five hundred fifty-one".