51098215713 has 16 divisors (see below), whose sum is σ = 70297893120. Its totient is φ = 32996952576.

The previous prime is 51098215711. The next prime is 51098215733. The reversal of 51098215713 is 31751289015.

51098215713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51098215713 - 2¹ = 51098215711 is a prime.

It is a super-2 number, since 2×51098215713² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51098215711) 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, 1854358 + ... + 1881711.

It is an arithmetic number, because the mean of its divisors is an integer number (4393618320).

Almost surely, 2^51098215713 is an apocalyptic number.

It is an amenable number.

51098215713 is a deficient number, since it is larger than the sum of its proper divisors (19199677407).

51098215713 is a wasteful number, since it uses less digits than its factorization.

51098215713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3736216.

The product of its (nonzero) digits is 75600, while the sum is 42.

The spelling of 51098215713 in words is "fifty-one billion, ninety-eight million, two hundred fifteen thousand, seven hundred thirteen".