545421102311005 has 4 divisors (see below), whose sum is σ = 654505322773212. Its totient is φ = 436336881848800.

The previous prime is 545421102310969. The next prime is 545421102311119. The reversal of 545421102311005 is 500113201124545.

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 289389805354521 + 256031296956484 = 17011461^2 + 16000978^2 .

It is not a de Polignac number, because 545421102311005 - 2²⁵ = 545421068756573 is a prime.

It is a super-2 number, since 2×545421102311005² (a number of 30 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 54542110231096 + ... + 54542110231105.

It is an arithmetic number, because the mean of its divisors is an integer number (163626330693303).

Almost surely, 2^{545421102311005} is an apocalyptic number.

It is an amenable number.

545421102311005 is a deficient number, since it is larger than the sum of its proper divisors (109084220462207).

545421102311005 is a wasteful number, since it uses less digits than its factorization.

545421102311005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109084220462206.

The product of its (nonzero) digits is 24000, while the sum is 34.

The spelling of 545421102311005 in words is "five hundred forty-five trillion, four hundred twenty-one billion, one hundred two million, three hundred eleven thousand, five".