119755751545 has 4 divisors (see below), whose sum is σ = 143706901860. Its totient is φ = 95804601232.

The previous prime is 119755751543. The next prime is 119755751581. The reversal of 119755751545 is 545157557911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 545157557911 = 461411 ⋅1181501.

It can be written as a sum of positive squares in 2 ways, for example, as 62149991401 + 57605760144 = 249299^2 + 240012^2 .

It is a cyclic number.

It is not a de Polignac number, because 119755751545 - 2¹ = 119755751543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119755751543) 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, 11975575150 + ... + 11975575159.

It is an arithmetic number, because the mean of its divisors is an integer number (35926725465).

Almost surely, 2^119755751545 is an apocalyptic number.

It is an amenable number.

119755751545 is a deficient number, since it is larger than the sum of its proper divisors (23951150315).

119755751545 is an equidigital number, since it uses as much as digits as its factorization.

119755751545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23951150314.

The product of its digits is 5512500, while the sum is 55.

The spelling of 119755751545 in words is "one hundred nineteen billion, seven hundred fifty-five million, seven hundred fifty-one thousand, five hundred forty-five".