51029083811 has 2 divisors, whose sum is σ = 51029083812. Its totient is φ = 51029083810.

The previous prime is 51029083793. The next prime is 51029083823. The reversal of 51029083811 is 11838092015.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51029083811 - 2²² = 51024889507 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (51029083891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25514541905 + 25514541906.

It is an arithmetic number, because the mean of its divisors is an integer number (25514541906).

Almost surely, 2^51029083811 is an apocalyptic number.

51029083811 is a deficient number, since it is larger than the sum of its proper divisors (1).

51029083811 is an equidigital number, since it uses as much as digits as its factorization.

51029083811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 38.

The spelling of 51029083811 in words is "fifty-one billion, twenty-nine million, eighty-three thousand, eight hundred eleven".