545111551503 has 24 divisors (see below), whose sum is σ = 794887748928. Its totient is φ = 359948477952.

The previous prime is 545111551487. The next prime is 545111551513. The reversal of 545111551503 is 305155111545.

545111551503 is a `hidden beast` number, since 5 + 4 + 51 + 1 + 1 + 551 + 50 + 3 = 666.

It is not a de Polignac number, because 545111551503 - 2⁴ = 545111551487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545111551513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1332051 + ... + 1692507.

It is an arithmetic number, because the mean of its divisors is an integer number (33120322872).

Almost surely, 2^545111551503 is an apocalyptic number.

545111551503 is a deficient number, since it is larger than the sum of its proper divisors (249776197425).

545111551503 is a wasteful number, since it uses less digits than its factorization.

545111551503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362063 (or 362060 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 36.

The spelling of 545111551503 in words is "five hundred forty-five billion, one hundred eleven million, five hundred fifty-one thousand, five hundred three".