1255923830039 has 4 divisors (see below), whose sum is σ = 1255926244800. Its totient is φ = 1255921415280.

The previous prime is 1255923830027. The next prime is 1255923830087. The reversal of 1255923830039 is 9300383295521.

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 1255923830039 - 2⁴ = 1255923830023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255923830089) 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, 70214 + ... + 1586435.

It is an arithmetic number, because the mean of its divisors is an integer number (313981561200).

Almost surely, 2^{1255923830039} is an apocalyptic number.

1255923830039 is a deficient number, since it is larger than the sum of its proper divisors (2414761).

1255923830039 is an equidigital number, since it uses as much as digits as its factorization.

1255923830039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2414760.

The product of its (nonzero) digits is 1749600, while the sum is 50.

The spelling of 1255923830039 in words is "one trillion, two hundred fifty-five billion, nine hundred twenty-three million, eight hundred thirty thousand, thirty-nine".