201120644625 has 32 divisors (see below), whose sum is σ = 334694595456. Its totient is φ = 107254779200.

The previous prime is 201120644623. The next prime is 201120644629. The reversal of 201120644625 is 526446021102.

It is not a de Polignac number, because 201120644625 - 2¹ = 201120644623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201120644623) 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, 6718942 + ... + 6748808.

It is an arithmetic number, because the mean of its divisors is an integer number (10459206108).

Almost surely, 2^201120644625 is an apocalyptic number.

201120644625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201120644625 is a deficient number, since it is larger than the sum of its proper divisors (133573950831).

201120644625 is a wasteful number, since it uses less digits than its factorization.

201120644625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47842 (or 47832 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 201120644625 its reverse (526446021102), we get a palindrome (727566665727).

The spelling of 201120644625 in words is "two hundred one billion, one hundred twenty million, six hundred forty-four thousand, six hundred twenty-five".