119158561 has 4 divisors (see below), whose sum is σ = 124339392. Its totient is φ = 113977732.

The previous prime is 119158553. The next prime is 119158573. The reversal of 119158561 is 165851911.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 165851911 = 397 ⋅417763.

It is a cyclic number.

It is not a de Polignac number, because 119158561 - 2³ = 119158553 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 119158561.

It is not an unprimeable number, because it can be changed into a prime (119158511) 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 3 ways as a sum of consecutive naturals, for example, 2590381 + ... + 2590426.

It is an arithmetic number, because the mean of its divisors is an integer number (31084848).

Almost surely, 2^119158561 is an apocalyptic number.

It is an amenable number.

119158561 is a deficient number, since it is larger than the sum of its proper divisors (5180831).

119158561 is an equidigital number, since it uses as much as digits as its factorization.

119158561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180830.

The product of its digits is 10800, while the sum is 37.

The square root of 119158561 is about 10915.9773268361. The cubic root of 119158561 is about 492.0868391125.

The spelling of 119158561 in words is "one hundred nineteen million, one hundred fifty-eight thousand, five hundred sixty-one".