1265058058879 has 4 divisors (see below), whose sum is σ = 1265187565840. Its totient is φ = 1264928551920.

The previous prime is 1265058058871. The next prime is 1265058058889. The reversal of 1265058058879 is 9788508505621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1265058058879 - 2³ = 1265058058871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1265058058879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1265058058871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64738827 + ... + 64758364.

It is an arithmetic number, because the mean of its divisors is an integer number (316296891460).

Almost surely, 2^{1265058058879} is an apocalyptic number.

1265058058879 is a deficient number, since it is larger than the sum of its proper divisors (129506961).

1265058058879 is an equidigital number, since it uses as much as digits as its factorization.

1265058058879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129506960.

The product of its (nonzero) digits is 48384000, while the sum is 64.

The spelling of 1265058058879 in words is "one trillion, two hundred sixty-five billion, fifty-eight million, fifty-eight thousand, eight hundred seventy-nine".