15225001201 has 4 divisors (see below), whose sum is σ = 15716130304. Its totient is φ = 14733872100.

The previous prime is 15225001193. The next prime is 15225001241. The reversal of 15225001201 is 10210052251.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10210052251 = 7 ⋅1458578893.

It is a cyclic number.

It is not a de Polignac number, because 15225001201 - 2³ = 15225001193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15225001241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245564505 + ... + 245564566.

It is an arithmetic number, because the mean of its divisors is an integer number (3929032576).

Almost surely, 2^15225001201 is an apocalyptic number.

It is an amenable number.

15225001201 is a deficient number, since it is larger than the sum of its proper divisors (491129103).

15225001201 is an equidigital number, since it uses as much as digits as its factorization.

15225001201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491129102.

The product of its (nonzero) digits is 200, while the sum is 19.

Adding to 15225001201 its reverse (10210052251), we get a palindrome (25435053452).

The spelling of 15225001201 in words is "fifteen billion, two hundred twenty-five million, one thousand, two hundred one".