2006556202751 has 4 divisors (see below), whose sum is σ = 2060787451512. Its totient is φ = 1952324953992.

The previous prime is 2006556202741. The next prime is 2006556202793. The reversal of 2006556202751 is 1572026556002.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2006556202751 - 2¹⁸ = 2006555940607 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2006556202699 and 2006556202708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006556202741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 27115624325 + ... + 27115624398.

It is an arithmetic number, because the mean of its divisors is an integer number (515196862878).

Almost surely, 2^{2006556202751} is an apocalyptic number.

2006556202751 is a deficient number, since it is larger than the sum of its proper divisors (54231248761).

2006556202751 is an equidigital number, since it uses as much as digits as its factorization.

2006556202751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54231248760.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 2006556202751 in words is "two trillion, six billion, five hundred fifty-six million, two hundred two thousand, seven hundred fifty-one".