2051055401043 has 48 divisors (see below), whose sum is σ = 3105281650688. Its totient is φ = 1202049763200.

The previous prime is 2051055401039. The next prime is 2051055401047. The reversal of 2051055401043 is 3401045501502.

It is an interprime number because it is at equal distance from previous prime (2051055401039) and next prime (2051055401047).

It is not a de Polignac number, because 2051055401043 - 2² = 2051055401039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051055401043.

It is not an unprimeable number, because it can be changed into a prime (2051055401047) 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 47 ways as a sum of consecutive naturals, for example, 14864055 + ... + 15001407.

Almost surely, 2^{2051055401043} is an apocalyptic number.

2051055401043 is a deficient number, since it is larger than the sum of its proper divisors (1054226249645).

2051055401043 is a wasteful number, since it uses less digits than its factorization.

2051055401043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138736 (or 138725 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 2051055401043 in words is "two trillion, fifty-one billion, fifty-five million, four hundred one thousand, forty-three".