1355325555 has 8 divisors (see below), whose sum is σ = 2168520912. Its totient is φ = 722840288.

The previous prime is 1355325541. The next prime is 1355325563. The reversal of 1355325555 is 5555235531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1355325555 - 2⁵ = 1355325523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45177504 + ... + 45177533.

It is an arithmetic number, because the mean of its divisors is an integer number (271065114).

Almost surely, 2^1355325555 is an apocalyptic number.

1355325555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1355325555 is a deficient number, since it is larger than the sum of its proper divisors (813195357).

1355325555 is an equidigital number, since it uses as much as digits as its factorization.

1355325555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90355045.

The product of its digits is 281250, while the sum is 39.

The square root of 1355325555 is about 36814.7464340039. The cubic root of 1355325555 is about 1106.6608399659.

The spelling of 1355325555 in words is "one billion, three hundred fifty-five million, three hundred twenty-five thousand, five hundred fifty-five".