119755447249 has 9 divisors (see below), whose sum is σ = 124037736433. Its totient is φ = 115616259472.

The previous prime is 119755447219. The next prime is 119755447261. The reversal of 119755447249 is 942744557911.

The square root of 119755447249 is 346057.

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 18524571025 + 101230876224 = 136105^2 + 318168^2 .

It is a de Polignac number, because none of the positive numbers 2^k-119755447249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119755447193 and 119755447202.

It is not an unprimeable number, because it can be changed into a prime (119755447219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10029687 + ... + 10041619.

Almost surely, 2^119755447249 is an apocalyptic number.

119755447249 is the 346057-th square number.

119755447249 is the 173029-th centered octagonal number.

It is an amenable number.

119755447249 is a deficient number, since it is larger than the sum of its proper divisors (4282289184).

119755447249 is an frugal number, since it uses more digits than its factorization.

119755447249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23924 (or 11962 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 58.

The spelling of 119755447249 in words is "one hundred nineteen billion, seven hundred fifty-five million, four hundred forty-seven thousand, two hundred forty-nine".