15513044452005 has 16 divisors (see below), whose sum is σ = 25016311056384. Its totient is φ = 8208477063360.

The previous prime is 15513044451917. The next prime is 15513044452007. The reversal of 15513044452005 is 50025444031551.

It is a de Polignac number, because none of the positive numbers 2^k-15513044452005 is a prime.

It is a super-2 number, since 2×15513044452005² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15513044452007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4071663306 + ... + 4071667115.

It is an arithmetic number, because the mean of its divisors is an integer number (1563519441024).

Almost surely, 2^{15513044452005} is an apocalyptic number.

15513044452005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15513044452005 is a deficient number, since it is larger than the sum of its proper divisors (9503266604379).

15513044452005 is a wasteful number, since it uses less digits than its factorization.

15513044452005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8143330556.

The product of its (nonzero) digits is 240000, while the sum is 39.

Adding to 15513044452005 its reverse (50025444031551), we get a palindrome (65538488483556).

The spelling of 15513044452005 in words is "fifteen trillion, five hundred thirteen billion, forty-four million, four hundred fifty-two thousand, five".