119161953961 has 4 divisors (see below), whose sum is σ = 122068343124. Its totient is φ = 116255564800.

The previous prime is 119161953949. The next prime is 119161954003. The reversal of 119161953961 is 169359161911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26359470736 + 92802483225 = 162356^2 + 304635^2 .

It is a cyclic number.

It is not a de Polignac number, because 119161953961 - 2⁵ = 119161953929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 119161953899 and 119161953908.

It is not an unprimeable number, because it can be changed into a prime (119161953941) 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 3 ways as a sum of consecutive naturals, for example, 1453194520 + ... + 1453194601.

It is an arithmetic number, because the mean of its divisors is an integer number (30517085781).

Almost surely, 2^119161953961 is an apocalyptic number.

It is an amenable number.

119161953961 is a deficient number, since it is larger than the sum of its proper divisors (2906389163).

119161953961 is an equidigital number, since it uses as much as digits as its factorization.

119161953961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2906389162.

The product of its digits is 393660, while the sum is 52.

The spelling of 119161953961 in words is "one hundred nineteen billion, one hundred sixty-one million, nine hundred fifty-three thousand, nine hundred sixty-one".