13154243515545 has 32 divisors (see below), whose sum is σ = 22966379452800. Its totient is φ = 6376080227840.

The previous prime is 13154243515519. The next prime is 13154243515603. The reversal of 13154243515545 is 54551534245131.

13154243515545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13154243515545 - 2⁵ = 13154243515513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13154243515494 and 13154243515503.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10234020 + ... + 11447429.

It is an arithmetic number, because the mean of its divisors is an integer number (717699357900).

Almost surely, 2^{13154243515545} is an apocalyptic number.

13154243515545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13154243515545 is a deficient number, since it is larger than the sum of its proper divisors (9812135937255).

13154243515545 is a wasteful number, since it uses less digits than its factorization.

13154243515545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21685145.

The product of its digits is 3600000, while the sum is 48.

The spelling of 13154243515545 in words is "thirteen trillion, one hundred fifty-four billion, two hundred forty-three million, five hundred fifteen thousand, five hundred forty-five".