2051457640075 has 6 divisors (see below), whose sum is σ = 2543807473724. Its totient is φ = 1641166112040.

The previous prime is 2051457640039. The next prime is 2051457640081. The reversal of 2051457640075 is 5700467541502.

It is not a de Polignac number, because 2051457640075 - 2¹⁹ = 2051457115787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 41029152777 + ... + 41029152826.

Almost surely, 2^{2051457640075} is an apocalyptic number.

2051457640075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2051457640075 is a deficient number, since it is larger than the sum of its proper divisors (492349833649).

2051457640075 is an equidigital number, since it uses as much as digits as its factorization.

2051457640075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82058305613 (or 82058305608 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 46.

The spelling of 2051457640075 in words is "two trillion, fifty-one billion, four hundred fifty-seven million, six hundred forty thousand, seventy-five".