10251045212505 has 64 divisors (see below), whose sum is σ = 18017308016640. Its totient is φ = 4953802081536.

The previous prime is 10251045212497. The next prime is 10251045212521. The reversal of 10251045212505 is 50521254015201.

It is not a de Polignac number, because 10251045212505 - 2³ = 10251045212497 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 73169032 + ... + 73308998.

It is an arithmetic number, because the mean of its divisors is an integer number (281520437760).

Almost surely, 2^{10251045212505} is an apocalyptic number.

10251045212505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10251045212505 is a deficient number, since it is larger than the sum of its proper divisors (7766262804135).

10251045212505 is a wasteful number, since it uses less digits than its factorization.

10251045212505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151190.

The product of its (nonzero) digits is 20000, while the sum is 33.

Adding to 10251045212505 its reverse (50521254015201), we get a palindrome (60772299227706).

The spelling of 10251045212505 in words is "ten trillion, two hundred fifty-one billion, forty-five million, two hundred twelve thousand, five hundred five".