51023436077 has 2 divisors, whose sum is σ = 51023436078. Its totient is φ = 51023436076.

The previous prime is 51023436043. The next prime is 51023436103. The reversal of 51023436077 is 77063432015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27837587716 + 23185848361 = 166846^2 + 152269^2 .

It is a cyclic number.

It is not a de Polignac number, because 51023436077 - 2⁸ = 51023435821 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51023436077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51023433077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511718038 + 25511718039.

It is an arithmetic number, because the mean of its divisors is an integer number (25511718039).

Almost surely, 2^51023436077 is an apocalyptic number.

It is an amenable number.

51023436077 is a deficient number, since it is larger than the sum of its proper divisors (1).

51023436077 is an equidigital number, since it uses as much as digits as its factorization.

51023436077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 51023436077 in words is "fifty-one billion, twenty-three million, four hundred thirty-six thousand, seventy-seven".