1355535111455 has 8 divisors (see below), whose sum is σ = 1859019581472. Its totient is φ = 929509790688.

The previous prime is 1355535111443. The next prime is 1355535111499. The reversal of 1355535111455 is 5541115355531.

It is a happy number.

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 1355535111455 - 2¹⁰ = 1355535110431 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 19364787272 + ... + 19364787341.

It is an arithmetic number, because the mean of its divisors is an integer number (232377447684).

Almost surely, 2^{1355535111455} is an apocalyptic number.

1355535111455 is a deficient number, since it is larger than the sum of its proper divisors (503484470017).

1355535111455 is an equidigital number, since it uses as much as digits as its factorization.

1355535111455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38729574625.

The product of its digits is 562500, while the sum is 44.

The spelling of 1355535111455 in words is "one trillion, three hundred fifty-five billion, five hundred thirty-five million, one hundred eleven thousand, four hundred fifty-five".