13541440012 has 12 divisors (see below), whose sum is σ = 23724985536. Its totient is φ = 6762872720.

The previous prime is 13541440009. The next prime is 13541440013. The reversal of 13541440012 is 21004414531.

It is not an unprimeable number, because it can be changed into a prime (13541440013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1957939 + ... + 1964842.

It is an arithmetic number, because the mean of its divisors is an integer number (1977082128).

Almost surely, 2^13541440012 is an apocalyptic number.

It is an amenable number.

13541440012 is a deficient number, since it is larger than the sum of its proper divisors (10183545524).

13541440012 is a wasteful number, since it uses less digits than its factorization.

13541440012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923648 (or 3923646 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 13541440012 its reverse (21004414531), we get a palindrome (34545854543).

The spelling of 13541440012 in words is "thirteen billion, five hundred forty-one million, four hundred forty thousand, twelve".