1355406725041 has 4 divisors (see below), whose sum is σ = 1355409173284. Its totient is φ = 1355404276800.

The previous prime is 1355406725021. The next prime is 1355406725063. The reversal of 1355406725041 is 1405276045531.

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 607977313441 + 747429411600 = 779729^2 + 864540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1355406725041 - 2²⁷ = 1355272507313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1355406725021) 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, 44701 + ... + 1647061.

It is an arithmetic number, because the mean of its divisors is an integer number (338852293321).

Almost surely, 2^{1355406725041} is an apocalyptic number.

It is an amenable number.

1355406725041 is a deficient number, since it is larger than the sum of its proper divisors (2448243).

1355406725041 is an equidigital number, since it uses as much as digits as its factorization.

1355406725041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2448242.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 1355406725041 in words is "one trillion, three hundred fifty-five billion, four hundred six million, seven hundred twenty-five thousand, forty-one".