1521636112 has 10 divisors (see below), whose sum is σ = 2948169998. Its totient is φ = 760818048.

The previous prime is 1521636107. The next prime is 1521636173. The reversal of 1521636112 is 2116361251.

It can be written as a sum of positive squares in only one way, i.e., 1082146816 + 439489296 = 32896^2 + 20964^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 47551113 + ... + 47551144.

Almost surely, 2^1521636112 is an apocalyptic number.

It is an amenable number.

1521636112 is a deficient number, since it is larger than the sum of its proper divisors (1426533886).

1521636112 is an equidigital number, since it uses as much as digits as its factorization.

1521636112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95102265 (or 95102259 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 1521636112 is about 39008.1544295549. The cubic root of 1521636112 is about 1150.1918046807.

Adding to 1521636112 its reverse (2116361251), we get a palindrome (3637997363).

The spelling of 1521636112 in words is "one billion, five hundred twenty-one million, six hundred thirty-six thousand, one hundred twelve".