545212515051 has 32 divisors (see below), whose sum is σ = 850298688000. Its totient is φ = 344318524704.

The previous prime is 545212515049. The next prime is 545212515091. The reversal of 545212515051 is 150515212545.

545212515051 is a `hidden beast` number, since 5 + 452 + 1 + 2 + 5 + 150 + 51 = 666.

It is not a de Polignac number, because 545212515051 - 2¹ = 545212515049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 545212514997 and 545212515015.

It is not an unprimeable number, because it can be changed into a prime (545212515091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8428690 + ... + 8493128.

It is an arithmetic number, because the mean of its divisors is an integer number (26571834000).

Almost surely, 2^545212515051 is an apocalyptic number.

545212515051 is a deficient number, since it is larger than the sum of its proper divisors (305086172949).

545212515051 is a wasteful number, since it uses less digits than its factorization.

545212515051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80960 (or 80954 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

Adding to 545212515051 its reverse (150515212545), we get a palindrome (695727727596).

The spelling of 545212515051 in words is "five hundred forty-five billion, two hundred twelve million, five hundred fifteen thousand, fifty-one".