485315013551 has 4 divisors (see below), whose sum is σ = 485816891472. Its totient is φ = 484813135632.

The previous prime is 485315013517. The next prime is 485315013613. The reversal of 485315013551 is 155310513584.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-485315013551 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 485315013499 and 485315013508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485315013451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250937510 + ... + 250939443.

It is an arithmetic number, because the mean of its divisors is an integer number (121454222868).

Almost surely, 2^485315013551 is an apocalyptic number.

485315013551 is a deficient number, since it is larger than the sum of its proper divisors (501877921).

485315013551 is an equidigital number, since it uses as much as digits as its factorization.

485315013551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501877920.

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 485315013551 in words is "four hundred eighty-five billion, three hundred fifteen million, thirteen thousand, five hundred fifty-one".