1513389579601 has 3 divisors (see below), whose sum is σ = 1513390809801. Its totient is φ = 1513388349402.

The previous prime is 1513389579593. The next prime is 1513389579659. The reversal of 1513389579601 is 1069759833151.

The square root of 1513389579601 is 1230199.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1513389579601 - 2³ = 1513389579593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513389579671) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 615100 + ... + 1845298.

It is an arithmetic number, because the mean of its divisors is an integer number (504463603267).

Almost surely, 2^{1513389579601} is an apocalyptic number.

1513389579601 is the 1230199-th square number.

1513389579601 is the 615100-th centered octagonal number.

It is an amenable number.

1513389579601 is a deficient number, since it is larger than the sum of its proper divisors (1230200).

1513389579601 is an frugal number, since it uses more digits than its factorization.

1513389579601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460398 (or 1230199 counting only the distinct ones).

The product of its (nonzero) digits is 6123600, while the sum is 58.

The spelling of 1513389579601 in words is "one trillion, five hundred thirteen billion, three hundred eighty-nine million, five hundred seventy-nine thousand, six hundred one".