2051092910725 has 6 divisors (see below), whose sum is σ = 2543355209330. Its totient is φ = 1640874328560.

The previous prime is 2051092910689. The next prime is 2051092910813. The reversal of 2051092910725 is 5270192901502.

It can be written as a sum of positive squares in 3 ways, for example, as 28889460961 + 2022203449764 = 169969^2 + 1422042^2 .

It is not a de Polignac number, because 2051092910725 - 2³⁷ = 1913653957253 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41021858190 + ... + 41021858239.

Almost surely, 2^{2051092910725} is an apocalyptic number.

2051092910725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2051092910725 is a deficient number, since it is larger than the sum of its proper divisors (492262298605).

2051092910725 is an equidigital number, since it uses as much as digits as its factorization.

2051092910725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82043716439 (or 82043716434 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 2051092910725 in words is "two trillion, fifty-one billion, ninety-two million, nine hundred ten thousand, seven hundred twenty-five".