119355815091 has 4 divisors (see below), whose sum is σ = 159141086792. Its totient is φ = 79570543392.

The previous prime is 119355815071. The next prime is 119355815113. The reversal of 119355815091 is 190518553911.

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

It is not a de Polignac number, because 119355815091 - 2⁹ = 119355814579 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 119355815091.

It is not an unprimeable number, because it can be changed into a prime (119355815041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19892635846 + ... + 19892635851.

It is an arithmetic number, because the mean of its divisors is an integer number (39785271698).

Almost surely, 2^119355815091 is an apocalyptic number.

119355815091 is a deficient number, since it is larger than the sum of its proper divisors (39785271701).

119355815091 is an equidigital number, since it uses as much as digits as its factorization.

119355815091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39785271700.

The product of its (nonzero) digits is 243000, while the sum is 48.

The spelling of 119355815091 in words is "one hundred nineteen billion, three hundred fifty-five million, eight hundred fifteen thousand, ninety-one".