15215105201 has 8 divisors (see below), whose sum is σ = 15478011360. Its totient is φ = 14952366592.

The previous prime is 15215105197. The next prime is 15215105203. The reversal of 15215105201 is 10250151251.

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 15215105201 - 2² = 15215105197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15215105203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148721 + ... + 229233.

It is an arithmetic number, because the mean of its divisors is an integer number (1934751420).

Almost surely, 2^15215105201 is an apocalyptic number.

It is an amenable number.

15215105201 is a deficient number, since it is larger than the sum of its proper divisors (262906159).

15215105201 is an equidigital number, since it uses as much as digits as its factorization.

15215105201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83775.

The product of its (nonzero) digits is 500, while the sum is 23.

Adding to 15215105201 its reverse (10250151251), we get a palindrome (25465256452).

The spelling of 15215105201 in words is "fifteen billion, two hundred fifteen million, one hundred five thousand, two hundred one".