119149922761 has 3 divisors (see below), whose sum is σ = 119150267943. Its totient is φ = 119149577580.

The previous prime is 119149922741. The next prime is 119149922767. The reversal of 119149922761 is 167229941911.

It is a happy number.

The square root of 119149922761 is 345181.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 50683967161 + 68465955600 = 225131^2 + 261660^2 .

It is not a de Polignac number, because 119149922761 - 2¹⁷ = 119149791689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119149922699 and 119149922708.

It is not an unprimeable number, because it can be changed into a prime (119149922767) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 172591 + ... + 517771.

It is an arithmetic number, because the mean of its divisors is an integer number (39716755981).

Almost surely, 2^119149922761 is an apocalyptic number.

119149922761 is the 345181-st square number.

119149922761 is the 172591-st centered octagonal number.

It is an amenable number.

119149922761 is a deficient number, since it is larger than the sum of its proper divisors (345182).

119149922761 is an frugal number, since it uses more digits than its factorization.

119149922761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690362 (or 345181 counting only the distinct ones).

The product of its digits is 489888, while the sum is 52.

The spelling of 119149922761 in words is "one hundred nineteen billion, one hundred forty-nine million, nine hundred twenty-two thousand, seven hundred sixty-one".