505136404253544 has 96 divisors (see below), whose sum is σ = 1469905693980480. Its totient is φ = 144237586381056.

The previous prime is 505136404253531. The next prime is 505136404253557. The reversal of 505136404253544 is 445352404631505.

It is an interprime number because it is at equal distance from previous prime (505136404253531) and next prime (505136404253557).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127664452 + ... + 131561715.

It is an arithmetic number, because the mean of its divisors is an integer number (15311517645630).

Almost surely, 2^{505136404253544} is an apocalyptic number.

It is an amenable number.

505136404253544 is an abundant number, since it is smaller than the sum of its proper divisors (964769289726936).

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

505136404253544 is a wasteful number, since it uses less digits than its factorization.

505136404253544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259227847 (or 259227836 counting only the distinct ones).

The product of its (nonzero) digits is 17280000, while the sum is 51.

The spelling of 505136404253544 in words is "five hundred five trillion, one hundred thirty-six billion, four hundred four million, two hundred fifty-three thousand, five hundred forty-four".