51120741031 has 2 divisors, whose sum is σ = 51120741032. Its totient is φ = 51120741030.

The previous prime is 51120741019. The next prime is 51120741047. The reversal of 51120741031 is 13014702115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51120741031 - 2⁹ = 51120740519 is a prime.

It is a super-2 number, since 2×51120741031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51120740987 and 51120741005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51120741431) by changing a digit.

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 as a sum of consecutive naturals, namely, 25560370515 + 25560370516.

It is an arithmetic number, because the mean of its divisors is an integer number (25560370516).

Almost surely, 2^51120741031 is an apocalyptic number.

51120741031 is a deficient number, since it is larger than the sum of its proper divisors (1).

51120741031 is an equidigital number, since it uses as much as digits as its factorization.

51120741031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 25.

The spelling of 51120741031 in words is "fifty-one billion, one hundred twenty million, seven hundred forty-one thousand, thirty-one".