2578719142011 has 4 divisors (see below), whose sum is σ = 3438292189352. Its totient is φ = 1719146094672.

The previous prime is 2578719141991. The next prime is 2578719142019. The reversal of 2578719142011 is 1102419178752.

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

It is not a de Polignac number, because 2578719142011 - 2¹⁹ = 2578718617723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2578719142019) 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, 429786523666 + ... + 429786523671.

It is an arithmetic number, because the mean of its divisors is an integer number (859573047338).

Almost surely, 2^{2578719142011} is an apocalyptic number.

2578719142011 is a deficient number, since it is larger than the sum of its proper divisors (859573047341).

2578719142011 is an equidigital number, since it uses as much as digits as its factorization.

2578719142011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859573047340.

The product of its (nonzero) digits is 282240, while the sum is 48.

The spelling of 2578719142011 in words is "two trillion, five hundred seventy-eight billion, seven hundred nineteen million, one hundred forty-two thousand, eleven".