1551317596448 has 12 divisors (see below), whose sum is σ = 3054156518070. Its totient is φ = 775658798208.

The previous prime is 1551317596447. The next prime is 1551317596481. The reversal of 1551317596448 is 8446957131551.

It can be written as a sum of positive squares in only one way, i.e., 1125916232464 + 425401363984 = 1061092^2 + 652228^2 .

It is not an unprimeable number, because it can be changed into a prime (1551317596447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24239337413 + ... + 24239337476.

Almost surely, 2^{1551317596448} is an apocalyptic number.

It is an amenable number.

1551317596448 is a deficient number, since it is larger than the sum of its proper divisors (1502838921622).

1551317596448 is an equidigital number, since it uses as much as digits as its factorization.

1551317596448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48478674899 (or 48478674891 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 59.

The spelling of 1551317596448 in words is "one trillion, five hundred fifty-one billion, three hundred seventeen million, five hundred ninety-six thousand, four hundred forty-eight".