15525223348 has 6 divisors (see below), whose sum is σ = 27169140866. Its totient is φ = 7762611672.

The previous prime is 15525223339. The next prime is 15525223349. The reversal of 15525223348 is 84332252551.

15525223348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8026009744 + 7499213604 = 89588^2 + 86598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15525223348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15525223349) 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 as a sum of consecutive naturals, namely, 1940652915 + ... + 1940652922.

Almost surely, 2^15525223348 is an apocalyptic number.

It is an amenable number.

15525223348 is a deficient number, since it is larger than the sum of its proper divisors (11643917518).

15525223348 is a wasteful number, since it uses less digits than its factorization.

15525223348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881305841 (or 3881305839 counting only the distinct ones).

The product of its digits is 288000, while the sum is 40.

Adding to 15525223348 its reverse (84332252551), we get a palindrome (99857475899).

The spelling of 15525223348 in words is "fifteen billion, five hundred twenty-five million, two hundred twenty-three thousand, three hundred forty-eight".