15532545245 has 8 divisors (see below), whose sum is σ = 21301776384. Its totient is φ = 10650888144.

The previous prime is 15532545233. The next prime is 15532545283. The reversal of 15532545245 is 54254523551.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15532545245 - 2⁶ = 15532545181 is a prime.

It is a super-2 number, since 2×15532545245² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221893469 + ... + 221893538.

It is an arithmetic number, because the mean of its divisors is an integer number (2662722048).

Almost surely, 2^15532545245 is an apocalyptic number.

It is an amenable number.

15532545245 is a deficient number, since it is larger than the sum of its proper divisors (5769231139).

15532545245 is an equidigital number, since it uses as much as digits as its factorization.

15532545245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443787019.

The product of its digits is 600000, while the sum is 41.

The spelling of 15532545245 in words is "fifteen billion, five hundred thirty-two million, five hundred forty-five thousand, two hundred forty-five".