265734451127 has 2 divisors, whose sum is σ = 265734451128. Its totient is φ = 265734451126.

The previous prime is 265734451123. The next prime is 265734451217. The reversal of 265734451127 is 721154437562.

Together with next prime (265734451217) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 265734451127 - 2² = 265734451123 is a prime.

It is a super-2 number, since 2×265734451127² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265734451121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132867225563 + 132867225564.

It is an arithmetic number, because the mean of its divisors is an integer number (132867225564).

Almost surely, 2^265734451127 is an apocalyptic number.

265734451127 is a deficient number, since it is larger than the sum of its proper divisors (1).

265734451127 is an equidigital number, since it uses as much as digits as its factorization.

265734451127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1411200, while the sum is 47.

Adding to 265734451127 its reverse (721154437562), we get a palindrome (986888888689).

The spelling of 265734451127 in words is "two hundred sixty-five billion, seven hundred thirty-four million, four hundred fifty-one thousand, one hundred twenty-seven".