119819730745 has 64 divisors (see below), whose sum is σ = 169891997184. Its totient is φ = 79977553920.

The previous prime is 119819730743. The next prime is 119819730847. The reversal of 119819730745 is 547037918911.

It is not a de Polignac number, because 119819730745 - 2¹ = 119819730743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (119819730743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 164813572 + ... + 164814298.

It is an arithmetic number, because the mean of its divisors is an integer number (2654562456).

Almost surely, 2^119819730745 is an apocalyptic number.

It is an amenable number.

119819730745 is a deficient number, since it is larger than the sum of its proper divisors (50072266439).

119819730745 is a wasteful number, since it uses less digits than its factorization.

119819730745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762.

The product of its (nonzero) digits is 1905120, while the sum is 55.

The spelling of 119819730745 in words is "one hundred nineteen billion, eight hundred nineteen million, seven hundred thirty thousand, seven hundred forty-five".