2578045533115 has 8 divisors (see below), whose sum is σ = 3331628073648. Its totient is φ = 1903787470560.

The previous prime is 2578045533053. The next prime is 2578045533223. The reversal of 2578045533115 is 5113355408752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-2578045533115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19831119421 + ... + 19831119550.

It is an arithmetic number, because the mean of its divisors is an integer number (416453509206).

Almost surely, 2^{2578045533115} is an apocalyptic number.

2578045533115 is a deficient number, since it is larger than the sum of its proper divisors (753582540533).

2578045533115 is a wasteful number, since it uses less digits than its factorization.

2578045533115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39662238989.

The product of its (nonzero) digits is 2520000, while the sum is 49.

The spelling of 2578045533115 in words is "two trillion, five hundred seventy-eight billion, forty-five million, five hundred thirty-three thousand, one hundred fifteen".