1355545614505 has 4 divisors (see below), whose sum is σ = 1626654737412. Its totient is φ = 1084436491600.

The previous prime is 1355545614503. The next prime is 1355545614509. The reversal of 1355545614505 is 5054165455531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 410108317609 + 945437296896 = 640397^2 + 972336^2 .

It is not a de Polignac number, because 1355545614505 - 2¹ = 1355545614503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355545614503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135554561446 + ... + 135554561455.

It is an arithmetic number, because the mean of its divisors is an integer number (406663684353).

Almost surely, 2^{1355545614505} is an apocalyptic number.

It is an amenable number.

1355545614505 is a deficient number, since it is larger than the sum of its proper divisors (271109122907).

1355545614505 is an equidigital number, since it uses as much as digits as its factorization.

1355545614505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271109122906.

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 1355545614505 in words is "one trillion, three hundred fifty-five billion, five hundred forty-five million, six hundred fourteen thousand, five hundred five".