506475732261 has 16 divisors (see below), whose sum is σ = 715080697344. Its totient is φ = 317763746304.

The previous prime is 506475732241. The next prime is 506475732271. The reversal of 506475732261 is 162237574605.

It is not a de Polignac number, because 506475732261 - 2¹⁵ = 506475699493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 506475732261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506475732241) 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, 277260 + ... + 1043946.

It is an arithmetic number, because the mean of its divisors is an integer number (44692543584).

Almost surely, 2^506475732261 is an apocalyptic number.

506475732261 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

506475732261 is a deficient number, since it is larger than the sum of its proper divisors (208604965083).

506475732261 is a wasteful number, since it uses less digits than its factorization.

506475732261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779660.

The product of its (nonzero) digits is 2116800, while the sum is 48.

The spelling of 506475732261 in words is "five hundred six billion, four hundred seventy-five million, seven hundred thirty-two thousand, two hundred sixty-one".