1513552415543 has 12 divisors (see below), whose sum is σ = 1761842377800. Its totient is φ = 1296461637072.

The previous prime is 1513552415537. The next prime is 1513552415563. The reversal of 1513552415543 is 3455142553151.

It is not a de Polignac number, because 1513552415543 - 2¹⁶ = 1513552350007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1513552415494 and 1513552415503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513552415513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10271393 + ... + 10417706.

It is an arithmetic number, because the mean of its divisors is an integer number (146820198150).

Almost surely, 2^{1513552415543} is an apocalyptic number.

1513552415543 is a deficient number, since it is larger than the sum of its proper divisors (248289962257).

1513552415543 is a wasteful number, since it uses less digits than its factorization.

1513552415543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20690606 (or 20690599 counting only the distinct ones).

The product of its digits is 900000, while the sum is 44.

Adding to 1513552415543 its reverse (3455142553151), we get a palindrome (4968694968694).

The spelling of 1513552415543 in words is "one trillion, five hundred thirteen billion, five hundred fifty-two million, four hundred fifteen thousand, five hundred forty-three".