1355427574544 has 40 divisors (see below), whose sum is σ = 2652211940280. Its totient is φ = 670998601728.

The previous prime is 1355427574541. The next prime is 1355427574559. The reversal of 1355427574544 is 4454757245531.

It can be written as a sum of positive squares in 4 ways, for example, as 5927152144 + 1349500422400 = 76988^2 + 1161680^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1355427574544.

It is not an unprimeable number, because it can be changed into a prime (1355427574541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1294052 + ... + 2094140.

It is an arithmetic number, because the mean of its divisors is an integer number (66305298507).

Almost surely, 2^{1355427574544} is an apocalyptic number.

It is an amenable number.

1355427574544 is a deficient number, since it is larger than the sum of its proper divisors (1296784365736).

1355427574544 is a wasteful number, since it uses less digits than its factorization.

1355427574544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801147 (or 801141 counting only the distinct ones).

The product of its digits is 47040000, while the sum is 56.

The spelling of 1355427574544 in words is "one trillion, three hundred fifty-five billion, four hundred twenty-seven million, five hundred seventy-four thousand, five hundred forty-four".