1550205112 has 32 divisors (see below), whose sum is σ = 3109367520. Its totient is φ = 721981440.

The previous prime is 1550205101. The next prime is 1550205113. The reversal of 1550205112 is 2115020551.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1550205113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45564 + ... + 71947.

It is an arithmetic number, because the mean of its divisors is an integer number (97167735).

Almost surely, 2^1550205112 is an apocalyptic number.

It is an amenable number.

1550205112 is an abundant number, since it is smaller than the sum of its proper divisors (1559162408).

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

1550205112 is a wasteful number, since it uses less digits than its factorization.

1550205112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117631 (or 117627 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 1550205112 is about 39372.6442088920. The cubic root of 1550205112 is about 1157.3455733974.

Adding to 1550205112 its reverse (2115020551), we get a palindrome (3665225663).

The spelling of 1550205112 in words is "one billion, five hundred fifty million, two hundred five thousand, one hundred twelve".