13154521043 has 16 divisors (see below), whose sum is σ = 13473008640. Its totient is φ = 12840850176.

The previous prime is 13154521013. The next prime is 13154521109. The reversal of 13154521043 is 34012545131.

It is a cyclic number.

It is not a de Polignac number, because 13154521043 - 2⁶ = 13154520979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13154520997 and 13154521015.

It is not an unprimeable number, because it can be changed into a prime (13154521013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2477930 + ... + 2483232.

It is an arithmetic number, because the mean of its divisors is an integer number (842063040).

Almost surely, 2^13154521043 is an apocalyptic number.

13154521043 is a deficient number, since it is larger than the sum of its proper divisors (318487597).

13154521043 is a wasteful number, since it uses less digits than its factorization.

13154521043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5746.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 13154521043 in words is "thirteen billion, one hundred fifty-four million, five hundred twenty-one thousand, forty-three".