15452552545 has 4 divisors (see below), whose sum is σ = 18543063060. Its totient is φ = 12362042032.

The previous prime is 15452552501. The next prime is 15452552581. The reversal of 15452552545 is 54525525451.

15452552545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10513836369 + 4938716176 = 102537^2 + 70276^2 .

It is a cyclic number.

It is not a de Polignac number, because 15452552545 - 2¹⁹ = 15452028257 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1545255250 + ... + 1545255259.

It is an arithmetic number, because the mean of its divisors is an integer number (4635765765).

Almost surely, 2^15452552545 is an apocalyptic number.

It is an amenable number.

15452552545 is a deficient number, since it is larger than the sum of its proper divisors (3090510515).

15452552545 is an equidigital number, since it uses as much as digits as its factorization.

15452552545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3090510514.

The product of its digits is 1000000, while the sum is 43.

The spelling of 15452552545 in words is "fifteen billion, four hundred fifty-two million, five hundred fifty-two thousand, five hundred forty-five".