51130661640643 has 32 divisors (see below), whose sum is σ = 56017051675200. Its totient is φ = 46387043788800.

The previous prime is 51130661640623. The next prime is 51130661640673. The reversal of 51130661640643 is 34604616603115.

It is not a de Polignac number, because 51130661640643 - 2¹³ = 51130661632451 is a prime.

It is a super-2 number, since 2×51130661640643² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51130661640593 and 51130661640602.

It is not an unprimeable number, because it can be changed into a prime (51130661640623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 505487853 + ... + 505588993.

It is an arithmetic number, because the mean of its divisors is an integer number (1750532864850).

Almost surely, 2^{51130661640643} is an apocalyptic number.

51130661640643 is a deficient number, since it is larger than the sum of its proper divisors (4886390034557).

51130661640643 is a wasteful number, since it uses less digits than its factorization.

51130661640643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103863.

The product of its (nonzero) digits is 933120, while the sum is 46.

The spelling of 51130661640643 in words is "fifty-one trillion, one hundred thirty billion, six hundred sixty-one million, six hundred forty thousand, six hundred forty-three".