1485512441857 has 4 divisors (see below), whose sum is σ = 1521744452676. Its totient is φ = 1449280431040.

The previous prime is 1485512441851. The next prime is 1485512441863. The reversal of 1485512441857 is 7581442155841.

It is a Cunningham number, because it is equal to 1104⁴+1.

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

It is an interprime number because it is at equal distance from previous prime (1485512441851) and next prime (1485512441863).

It can be written as a sum of positive squares in 2 ways, for example, as 71579791936 + 1413932649921 = 267544^2 + 1189089^2 .

It is a cyclic number.

It is not a de Polignac number, because 1485512441857 - 2³⁵ = 1451152703489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1485512441798 and 1485512441807.

It is not an unprimeable number, because it can be changed into a prime (1485512441851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18116005348 + ... + 18116005429.

It is an arithmetic number, because the mean of its divisors is an integer number (380436113169).

Almost surely, 2^{1485512441857} is an apocalyptic number.

It is an amenable number.

1485512441857 is a deficient number, since it is larger than the sum of its proper divisors (36232010819).

1485512441857 is an equidigital number, since it uses as much as digits as its factorization.

1485512441857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36232010818.

The product of its digits is 7168000, while the sum is 55.

The spelling of 1485512441857 in words is "one trillion, four hundred eighty-five billion, five hundred twelve million, four hundred forty-one thousand, eight hundred fifty-seven".