51266055707 has 2 divisors, whose sum is σ = 51266055708. Its totient is φ = 51266055706.

The previous prime is 51266055697. The next prime is 51266055719. The reversal of 51266055707 is 70755066215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51266055707 - 2⁴ = 51266055691 is a prime.

It is not a weakly prime, because it can be changed into another prime (51266055767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25633027853 + 25633027854.

It is an arithmetic number, because the mean of its divisors is an integer number (25633027854).

Almost surely, 2^51266055707 is an apocalyptic number.

51266055707 is a deficient number, since it is larger than the sum of its proper divisors (1).

51266055707 is an equidigital number, since it uses as much as digits as its factorization.

51266055707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 441000, while the sum is 44.

The spelling of 51266055707 in words is "fifty-one billion, two hundred sixty-six million, fifty-five thousand, seven hundred seven".