51106151123 has 2 divisors, whose sum is σ = 51106151124. Its totient is φ = 51106151122.

The previous prime is 51106151069. The next prime is 51106151137. The reversal of 51106151123 is 32115160115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51106151123 - 2⁸ = 51106150867 is a prime.

It is a super-2 number, since 2×51106151123² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51106151092 and 51106151101.

It is not a weakly prime, because it can be changed into another prime (51106151423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25553075561 + 25553075562.

It is an arithmetic number, because the mean of its divisors is an integer number (25553075562).

Almost surely, 2^51106151123 is an apocalyptic number.

51106151123 is a deficient number, since it is larger than the sum of its proper divisors (1).

51106151123 is an equidigital number, since it uses as much as digits as its factorization.

51106151123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 900, while the sum is 26.

The spelling of 51106151123 in words is "fifty-one billion, one hundred six million, one hundred fifty-one thousand, one hundred twenty-three".