15532145325 has 18 divisors (see below), whose sum is σ = 27819798474. Its totient is φ = 8283810720.

The previous prime is 15532145311. The next prime is 15532145347. The reversal of 15532145325 is 52354123551.

15532145325 is a `hidden beast` number, since 1 + 5 + 5 + 321 + 4 + 5 + 325 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 829612809 + 14702532516 = 28803^2 + 121254^2 .

It is not a de Polignac number, because 15532145325 - 2⁴ = 15532145309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15532145325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 34515654 + ... + 34516103.

Almost surely, 2^15532145325 is an apocalyptic number.

15532145325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15532145325 is a deficient number, since it is larger than the sum of its proper divisors (12287653149).

15532145325 is a wasteful number, since it uses less digits than its factorization.

15532145325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69031773 (or 69031765 counting only the distinct ones).

The product of its digits is 90000, while the sum is 36.

Adding to 15532145325 its reverse (52354123551), we get a palindrome (67886268876).

The spelling of 15532145325 in words is "fifteen billion, five hundred thirty-two million, one hundred forty-five thousand, three hundred twenty-five".