1578982996415 has 16 divisors (see below), whose sum is σ = 2067076454400. Its totient is φ = 1148326732320.

The previous prime is 1578982996391. The next prime is 1578982996463. The reversal of 1578982996415 is 5146992898751.

It is not a de Polignac number, because 1578982996415 - 2¹⁸ = 1578982734271 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2526386 + ... + 3088784.

It is an arithmetic number, because the mean of its divisors is an integer number (129192278400).

Almost surely, 2^{1578982996415} is an apocalyptic number.

1578982996415 is a deficient number, since it is larger than the sum of its proper divisors (488093457985).

1578982996415 is a wasteful number, since it uses less digits than its factorization.

1578982996415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613462.

The product of its digits is 391910400, while the sum is 74.

The spelling of 1578982996415 in words is "one trillion, five hundred seventy-eight billion, nine hundred eighty-two million, nine hundred ninety-six thousand, four hundred fifteen".