1325253223555 has 16 divisors (see below), whose sum is σ = 1629134021088. Its totient is φ = 1034317152000.

The previous prime is 1325253223517. The next prime is 1325253223577. The reversal of 1325253223555 is 5553223525231.

It is not a de Polignac number, because 1325253223555 - 2⁹ = 1325253223043 is a prime.

It is a super-2 number, since 2×1325253223555² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12264865 + ... + 12372445.

It is an arithmetic number, because the mean of its divisors is an integer number (101820876318).

Almost surely, 2^{1325253223555} is an apocalyptic number.

1325253223555 is a deficient number, since it is larger than the sum of its proper divisors (303880797533).

1325253223555 is a wasteful number, since it uses less digits than its factorization.

1325253223555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167718.

The product of its digits is 1350000, while the sum is 43.

Adding to 1325253223555 its reverse (5553223525231), we get a palindrome (6878476748786).

The spelling of 1325253223555 in words is "one trillion, three hundred twenty-five billion, two hundred fifty-three million, two hundred twenty-three thousand, five hundred fifty-five".