15531143201 has 16 divisors (see below), whose sum is σ = 17906528640. Its totient is φ = 13195405440.

The previous prime is 15531143183. The next prime is 15531143209. The reversal of 15531143201 is 10234113551.

15531143201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15531143201 - 2¹⁰ = 15531142177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15531143209) 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, 369005 + ... + 408933.

It is an arithmetic number, because the mean of its divisors is an integer number (1119158040).

Almost surely, 2^15531143201 is an apocalyptic number.

It is an amenable number.

15531143201 is a deficient number, since it is larger than the sum of its proper divisors (2375385439).

15531143201 is a wasteful number, since it uses less digits than its factorization.

15531143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40424.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 15531143201 its reverse (10234113551), we get a palindrome (25765256752).

The spelling of 15531143201 in words is "fifteen billion, five hundred thirty-one million, one hundred forty-three thousand, two hundred one".