1513242344545 has 64 divisors (see below), whose sum is σ = 1936179210240. Its totient is φ = 1132959218688.

The previous prime is 1513242344473. The next prime is 1513242344557. The reversal of 1513242344545 is 5454432423151.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1513242344545 - 2²⁹ = 1512705473633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1037177026 + ... + 1037178484.

It is an arithmetic number, because the mean of its divisors is an integer number (30252800160).

Almost surely, 2^{1513242344545} is an apocalyptic number.

It is an amenable number.

1513242344545 is a deficient number, since it is larger than the sum of its proper divisors (422936865695).

1513242344545 is a wasteful number, since it uses less digits than its factorization.

1513242344545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2374.

The product of its digits is 1152000, while the sum is 43.

Adding to 1513242344545 its reverse (5454432423151), we get a palindrome (6967674767696).

The spelling of 1513242344545 in words is "one trillion, five hundred thirteen billion, two hundred forty-two million, three hundred forty-four thousand, five hundred forty-five".