15113403555445 has 12 divisors (see below), whose sum is σ = 19638481780836. Its totient is φ = 11160667240320.

The previous prime is 15113403555421. The next prime is 15113403555461. The reversal of 15113403555445 is 54455530431151.

It can be written as a sum of positive squares in 6 ways, for example, as 148830837796 + 14964572717649 = 385786^2 + 3868407^2 .

It is not a de Polignac number, because 15113403555445 - 2³¹ = 15111256071797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15113403555395 and 15113403555404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8942841496 + ... + 8942843185.

It is an arithmetic number, because the mean of its divisors is an integer number (1636540148403).

Almost surely, 2^{15113403555445} is an apocalyptic number.

It is an amenable number.

15113403555445 is a deficient number, since it is larger than the sum of its proper divisors (4525078225391).

15113403555445 is a wasteful number, since it uses less digits than its factorization.

15113403555445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17885684712 (or 17885684699 counting only the distinct ones).

The product of its (nonzero) digits is 1800000, while the sum is 46.

Adding to 15113403555445 its reverse (54455530431151), we get a palindrome (69568933986596).

The spelling of 15113403555445 in words is "fifteen trillion, one hundred thirteen billion, four hundred three million, five hundred fifty-five thousand, four hundred forty-five".