2051012770567 has 16 divisors (see below), whose sum is σ = 2065324884480. Its totient is φ = 2036761947072.

The previous prime is 2051012770559. The next prime is 2051012770591. The reversal of 2051012770567 is 7650772101502.

It is a cyclic number.

It is not a de Polignac number, because 2051012770567 - 2³ = 2051012770559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051012770267) 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 15 ways as a sum of consecutive naturals, for example, 106908658 + ... + 106927840.

It is an arithmetic number, because the mean of its divisors is an integer number (129082805280).

Almost surely, 2^{2051012770567} is an apocalyptic number.

2051012770567 is a deficient number, since it is larger than the sum of its proper divisors (14312113913).

2051012770567 is a wasteful number, since it uses less digits than its factorization.

2051012770567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20742.

The product of its (nonzero) digits is 205800, while the sum is 43.

The spelling of 2051012770567 in words is "two trillion, fifty-one billion, twelve million, seven hundred seventy thousand, five hundred sixty-seven".