545131251020 has 48 divisors (see below), whose sum is σ = 1194618958848. Its totient is φ = 208559651520.

The previous prime is 545131251017. The next prime is 545131251037. The reversal of 545131251020 is 20152131545.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13260137 + ... + 13301183.

It is an arithmetic number, because the mean of its divisors is an integer number (24887894976).

Almost surely, 2^545131251020 is an apocalyptic number.

It is an amenable number.

545131251020 is an abundant number, since it is smaller than the sum of its proper divisors (649487707828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545131251020 is a wasteful number, since it uses less digits than its factorization.

545131251020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69950 (or 69948 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 29.

Adding to 545131251020 its reverse (20152131545), we get a palindrome (565283382565).

The spelling of 545131251020 in words is "five hundred forty-five billion, one hundred thirty-one million, two hundred fifty-one thousand, twenty".