545020311051 has 12 divisors (see below), whose sum is σ = 828685853320. Its totient is φ = 344223354240.

The previous prime is 545020311023. The next prime is 545020311061. The reversal of 545020311051 is 150113020545.

545020311051 is a `hidden beast` number, since 5 + 450 + 203 + 1 + 1 + 0 + 5 + 1 = 666.

It is not a de Polignac number, because 545020311051 - 2²¹ = 545018213899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545020311061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1593626470 + ... + 1593626811.

Almost surely, 2^545020311051 is an apocalyptic number.

545020311051 is a deficient number, since it is larger than the sum of its proper divisors (283665542269).

545020311051 is a wasteful number, since it uses less digits than its factorization.

545020311051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187253306 (or 3187253303 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 545020311051 its reverse (150113020545), we get a palindrome (695133331596).

The spelling of 545020311051 in words is "five hundred forty-five billion, twenty million, three hundred eleven thousand, fifty-one".