1361051226272 has 12 divisors (see below), whose sum is σ = 2679569601786. Its totient is φ = 680525613120.

The previous prime is 1361051226191. The next prime is 1361051226289. The reversal of 1361051226272 is 2726221501631.

It can be written as a sum of positive squares in only one way, i.e., 871840508176 + 489210718096 = 933724^2 + 699436^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21266425379 + ... + 21266425442.

Almost surely, 2^{1361051226272} is an apocalyptic number.

It is an amenable number.

1361051226272 is a deficient number, since it is larger than the sum of its proper divisors (1318518375514).

1361051226272 is an equidigital number, since it uses as much as digits as its factorization.

1361051226272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42532850831 (or 42532850823 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 1361051226272 in words is "one trillion, three hundred sixty-one billion, fifty-one million, two hundred twenty-six thousand, two hundred seventy-two".