10977887648449 has 8 divisors (see below), whose sum is σ = 11059270766568. Its totient is φ = 10896522683520.

The previous prime is 10977887648407. The next prime is 10977887648461. The reversal of 10977887648449 is 94484678877901.

It can be written as a sum of positive squares in 4 ways, for example, as 3676300047424 + 7301587601025 = 1917368^2 + 2702145^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10977887648449 - 2²⁹ = 10977350777537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10977887048449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3323142 + ... + 5744479.

It is an arithmetic number, because the mean of its divisors is an integer number (1382408845821).

Almost surely, 2^{10977887648449} is an apocalyptic number.

It is an amenable number.

10977887648449 is a deficient number, since it is larger than the sum of its proper divisors (81383118119).

10977887648449 is an equidigital number, since it uses as much as digits as its factorization.

10977887648449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9076595.

The product of its (nonzero) digits is 5462360064, while the sum is 82.

The spelling of 10977887648449 in words is "ten trillion, nine hundred seventy-seven billion, eight hundred eighty-seven million, six hundred forty-eight thousand, four hundred forty-nine".