10995239232649 has 27 divisors (see below), whose sum is σ = 12840500289357. Its totient is φ = 9387704098584.

The previous prime is 10995239232641. The next prime is 10995239232671. The reversal of 10995239232649 is 94623293259901.

The square root of 10995239232649 is 3315907.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 10995239232649 - 2³ = 10995239232641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10995239232641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7125883372 + ... + 7125884914.

It is an arithmetic number, because the mean of its divisors is an integer number (475574084791).

Almost surely, 2^{10995239232649} is an apocalyptic number.

10995239232649 is the 3315907-th square number.

10995239232649 is the 1657954-th centered octagonal number.

It is an amenable number.

10995239232649 is a deficient number, since it is larger than the sum of its proper divisors (1845261056708).

10995239232649 is an frugal number, since it uses more digits than its factorization.

10995239232649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 56687040, while the sum is 64.

Multiplying 10995239232649 by its sum of digits (64), we get a square (703695310889536 = 26527256²).

The spelling of 10995239232649 in words is "ten trillion, nine hundred ninety-five billion, two hundred thirty-nine million, two hundred thirty-two thousand, six hundred forty-nine".