505706561572 has 12 divisors (see below), whose sum is σ = 903815982720. Its totient is φ = 247473423656.

The previous prime is 505706561543. The next prime is 505706561593. The reversal of 505706561572 is 275165607505.

It is a super-2 number, since 2×505706561572² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344964072 + ... + 1344964447.

It is an arithmetic number, because the mean of its divisors is an integer number (75317998560).

Almost surely, 2^505706561572 is an apocalyptic number.

It is an amenable number.

505706561572 is a deficient number, since it is larger than the sum of its proper divisors (398109421148).

505706561572 is a wasteful number, since it uses less digits than its factorization.

505706561572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689928570 (or 2689928568 counting only the distinct ones).

The product of its (nonzero) digits is 2205000, while the sum is 49.

The spelling of 505706561572 in words is "five hundred five billion, seven hundred six million, five hundred sixty-one thousand, five hundred seventy-two".