1578257913601 has 8 divisors (see below), whose sum is σ = 1733555603520. Its totient is φ = 1430183372112.

The previous prime is 1578257913577. The next prime is 1578257913607. The reversal of 1578257913601 is 1063197528751.

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

It is not a de Polignac number, because 1578257913601 - 2⁷ = 1578257913473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1578257913607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1805786650 + ... + 1805787523.

It is an arithmetic number, because the mean of its divisors is an integer number (216694450440).

Almost surely, 2^{1578257913601} is an apocalyptic number.

It is an amenable number.

1578257913601 is a deficient number, since it is larger than the sum of its proper divisors (155297689919).

1578257913601 is a wasteful number, since it uses less digits than its factorization.

1578257913601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611574215.

The product of its (nonzero) digits is 3175200, while the sum is 55.

The spelling of 1578257913601 in words is "one trillion, five hundred seventy-eight billion, two hundred fifty-seven million, nine hundred thirteen thousand, six hundred one".