5051251040521 has 24 divisors (see below), whose sum is σ = 5904451558080. Its totient is φ = 4308675370272.

The previous prime is 5051251040519. The next prime is 5051251040611. The reversal of 5051251040521 is 1250401521505.

It is not a de Polignac number, because 5051251040521 - 2¹ = 5051251040519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5051251010521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11475526 + ... + 11907568.

It is an arithmetic number, because the mean of its divisors is an integer number (246018814920).

Almost surely, 2^{5051251040521} is an apocalyptic number.

It is an amenable number.

5051251040521 is a deficient number, since it is larger than the sum of its proper divisors (853200517559).

5051251040521 is a wasteful number, since it uses less digits than its factorization.

5051251040521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433213 (or 433206 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 31.

The spelling of 5051251040521 in words is "five trillion, fifty-one billion, two hundred fifty-one million, forty thousand, five hundred twenty-one".