15545045315 has 16 divisors (see below), whose sum is σ = 19057876992. Its totient is φ = 12167013984.

The previous prime is 15545045261. The next prime is 15545045317. The reversal of 15545045315 is 51354054551.

15545045315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 15545045315 - 2⁸ = 15545045059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15545045317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733802 + ... + 754688.

It is an arithmetic number, because the mean of its divisors is an integer number (1191117312).

Almost surely, 2^15545045315 is an apocalyptic number.

15545045315 is a deficient number, since it is larger than the sum of its proper divisors (3512831677).

15545045315 is a wasteful number, since it uses less digits than its factorization.

15545045315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24106.

The product of its (nonzero) digits is 150000, while the sum is 38.

Adding to 15545045315 its reverse (51354054551), we get a palindrome (66899099866).

The spelling of 15545045315 in words is "fifteen billion, five hundred forty-five million, forty-five thousand, three hundred fifteen".