5151046721041 has 16 divisors (see below), whose sum is σ = 5596562679120. Its totient is φ = 4712573859840.

The previous prime is 5151046721033. The next prime is 5151046721053. The reversal of 5151046721041 is 1401276401515.

It can be written as a sum of positive squares in 8 ways, for example, as 46881343441 + 5104165377600 = 216521^2 + 2259240^2 .

It is a cyclic number.

It is not a de Polignac number, because 5151046721041 - 2³ = 5151046721033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151046721341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76367511 + ... + 76434931.

It is an arithmetic number, because the mean of its divisors is an integer number (349785167445).

Almost surely, 2^{5151046721041} is an apocalyptic number.

It is an amenable number.

5151046721041 is a deficient number, since it is larger than the sum of its proper divisors (445515958079).

5151046721041 is a wasteful number, since it uses less digits than its factorization.

5151046721041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119556.

The product of its (nonzero) digits is 33600, while the sum is 37.

The spelling of 5151046721041 in words is "five trillion, one hundred fifty-one billion, forty-six million, seven hundred twenty-one thousand, forty-one".