3540545261321 has 8 divisors (see below), whose sum is σ = 3759554219400. Its totient is φ = 3322729813248.

The previous prime is 3540545261257. The next prime is 3540545261381. The reversal of 3540545261321 is 1231625450453.

3540545261321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2512339121296 + 1028206140025 = 1585036^2 + 1014005^2 .

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 3540545261321 - 2⁶ = 3540545261257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3540545261381) 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, 298371386 + ... + 298383251.

It is an arithmetic number, because the mean of its divisors is an integer number (469944277425).

Almost surely, 2^{3540545261321} is an apocalyptic number.

It is an amenable number.

3540545261321 is a deficient number, since it is larger than the sum of its proper divisors (219008958079).

3540545261321 is a wasteful number, since it uses less digits than its factorization.

3540545261321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596755003.

The product of its (nonzero) digits is 432000, while the sum is 41.

The spelling of 3540545261321 in words is "three trillion, five hundred forty billion, five hundred forty-five million, two hundred sixty-one thousand, three hundred twenty-one".