545212636031 has 16 divisors (see below), whose sum is σ = 631682501184. Its totient is φ = 460889305344.

The previous prime is 545212636019. The next prime is 545212636039. The reversal of 545212636031 is 130636212545.

It is a de Polignac number, because none of the positive numbers 2^k-545212636031 is a prime.

It is a super-2 number, since 2×545212636031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545212636039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8818181 + ... + 8879793.

It is an arithmetic number, because the mean of its divisors is an integer number (39480156324).

Almost surely, 2^545212636031 is an apocalyptic number.

545212636031 is a deficient number, since it is larger than the sum of its proper divisors (86469865153).

545212636031 is a wasteful number, since it uses less digits than its factorization.

545212636031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79010.

The product of its (nonzero) digits is 129600, while the sum is 38.

Adding to 545212636031 its reverse (130636212545), we get a palindrome (675848848576).

The spelling of 545212636031 in words is "five hundred forty-five billion, two hundred twelve million, six hundred thirty-six thousand, thirty-one".