265128702043 has 2 divisors, whose sum is σ = 265128702044. Its totient is φ = 265128702042.

The previous prime is 265128702031. The next prime is 265128702053. The reversal of 265128702043 is 340207821562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265128702043 - 2²¹ = 265126604891 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 265128701987 and 265128702005.

It is not a weakly prime, because it can be changed into another prime (265128702053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132564351021 + 132564351022.

It is an arithmetic number, because the mean of its divisors is an integer number (132564351022).

Almost surely, 2^265128702043 is an apocalyptic number.

265128702043 is a deficient number, since it is larger than the sum of its proper divisors (1).

265128702043 is an equidigital number, since it uses as much as digits as its factorization.

265128702043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 265128702043 in words is "two hundred sixty-five billion, one hundred twenty-eight million, seven hundred two thousand, forty-three".