215051125201 has 32 divisors (see below), whose sum is σ = 249260368896. Its totient is φ = 183676896000.

The previous prime is 215051125123. The next prime is 215051125351. The reversal of 215051125201 is 102521150512.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 215051125201 - 2¹¹ = 215051123153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (215051125001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5797951 + ... + 5834923.

It is an arithmetic number, because the mean of its divisors is an integer number (7789386528).

Almost surely, 2^215051125201 is an apocalyptic number.

It is an amenable number.

215051125201 is a deficient number, since it is larger than the sum of its proper divisors (34209243695).

215051125201 is a wasteful number, since it uses less digits than its factorization.

215051125201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37513.

The product of its (nonzero) digits is 1000, while the sum is 25.

Adding to 215051125201 its reverse (102521150512), we get a palindrome (317572275713).

It can be divided in two parts, 2150511 and 25201, that added together give a palindrome (2175712).

The spelling of 215051125201 in words is "two hundred fifteen billion, fifty-one million, one hundred twenty-five thousand, two hundred one".