1481369266816 has 16 divisors (see below), whose sum is σ = 2951165336490. Its totient is φ = 740684633344.

The previous prime is 1481369266799. The next prime is 1481369266831. The reversal of 1481369266816 is 6186629631841.

It can be written as a sum of positive squares in only one way, i.e., 906502026816 + 574867240000 = 952104^2 + 758200^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786598571 + ... + 5786598826.

Almost surely, 2^{1481369266816} is an apocalyptic number.

1481369266816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1481369266816 is a deficient number, since it is larger than the sum of its proper divisors (1469796069674).

1481369266816 is an equidigital number, since it uses as much as digits as its factorization.

1481369266816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11573197411 (or 11573197399 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 61.

The spelling of 1481369266816 in words is "one trillion, four hundred eighty-one billion, three hundred sixty-nine million, two hundred sixty-six thousand, eight hundred sixteen".