1325101555 has 16 divisors (see below), whose sum is σ = 1606809600. Its totient is φ = 1048982400.

The previous prime is 1325101529. The next prime is 1325101559. The reversal of 1325101555 is 5551015231.

It is not a de Polignac number, because 1325101555 - 2¹⁷ = 1324970483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1325101559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 696105 + ... + 698005.

It is an arithmetic number, because the mean of its divisors is an integer number (100425600).

Almost surely, 2^1325101555 is an apocalyptic number.

1325101555 is a deficient number, since it is larger than the sum of its proper divisors (281708045).

1325101555 is a wasteful number, since it uses less digits than its factorization.

1325101555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1325101555 is about 36401.9443848814. The cubic root of 1325101555 is about 1098.3726777750.

Adding to 1325101555 its reverse (5551015231), we get a palindrome (6876116786).

The spelling of 1325101555 in words is "one billion, three hundred twenty-five million, one hundred one thousand, five hundred fifty-five".