506142505545111 has 16 divisors (see below), whose sum is σ = 749896076049120. Its totient is φ = 337403439838080.

The previous prime is 506142505545073. The next prime is 506142505545113. The reversal of 506142505545111 is 111545505241605.

506142505545111 is a `hidden beast` number, since 5 + 0 + 6 + 1 + 42 + 5 + 0 + 554 + 51 + 1 + 1 = 666.

It is not a de Polignac number, because 506142505545111 - 2¹⁰ = 506142505544087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506142505545113) 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, 691215960 + ... + 691947821.

It is an arithmetic number, because the mean of its divisors is an integer number (46868504753070).

Almost surely, 2^{506142505545111} is an apocalyptic number.

506142505545111 is a deficient number, since it is larger than the sum of its proper divisors (243753570504009).

506142505545111 is a wasteful number, since it uses less digits than its factorization.

506142505545111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383177343 (or 1383177337 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 45.

The spelling of 506142505545111 in words is "five hundred six trillion, one hundred forty-two billion, five hundred five million, five hundred forty-five thousand, one hundred eleven".