119218968961 has 9 divisors (see below), whose sum is σ = 119640660681. Its totient is φ = 118798761984.

The previous prime is 119218968943. The next prime is 119218968991. The reversal of 119218968961 is 169869812911.

The square root of 119218968961 is 345281.

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

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 119218278400 = 831^2 + 345280^2 .

It is not a de Polignac number, because 119218968961 - 2²⁹ = 118682098049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 119218968961.

It is not an unprimeable number, because it can be changed into a prime (119218968991) 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 8 ways as a sum of consecutive naturals, for example, 155030785 + ... + 155031553.

Almost surely, 2^119218968961 is an apocalyptic number.

119218968961 is the 345281-st square number.

119218968961 is the 172641-st centered octagonal number.

It is an amenable number.

119218968961 is a deficient number, since it is larger than the sum of its proper divisors (421691720).

119218968961 is an frugal number, since it uses more digits than its factorization.

119218968961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436 (or 1218 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 61.

The spelling of 119218968961 in words is "one hundred nineteen billion, two hundred eighteen million, nine hundred sixty-eight thousand, nine hundred sixty-one".