201125404424 has 16 divisors (see below), whose sum is σ = 430983009600. Its totient is φ = 86196601872.

The previous prime is 201125404411. The next prime is 201125404433. The reversal of 201125404424 is 424404521102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795762484 + ... + 1795762595.

It is an arithmetic number, because the mean of its divisors is an integer number (26936438100).

Almost surely, 2^201125404424 is an apocalyptic number.

It is an amenable number.

201125404424 is an abundant number, since it is smaller than the sum of its proper divisors (229857605176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201125404424 is a wasteful number, since it uses less digits than its factorization.

201125404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3591525092 (or 3591525088 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 201125404424 its reverse (424404521102), we get a palindrome (625529925526).

The spelling of 201125404424 in words is "two hundred one billion, one hundred twenty-five million, four hundred four thousand, four hundred twenty-four".