505105061560 has 128 divisors (see below), whose sum is σ = 1244755512000. Its totient is φ = 182942208000.

The previous prime is 505105061557. The next prime is 505105061579. The reversal of 505105061560 is 65160501505.

It is a super-2 number, since 2×505105061560² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 227421250 + ... + 227423470.

Almost surely, 2^505105061560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505105061560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622377756000).

505105061560 is an abundant number, since it is smaller than the sum of its proper divisors (739650450440).

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

505105061560 is a wasteful number, since it uses less digits than its factorization.

505105061560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4073 (or 4069 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 505105061560 in words is "five hundred five billion, one hundred five million, sixty-one thousand, five hundred sixty".