119139848721 has 6 divisors (see below), whose sum is σ = 172090892610. Its totient is φ = 79426565808.

The previous prime is 119139848717. The next prime is 119139848741. The reversal of 119139848721 is 127848931911.

119139848721 is a `hidden beast` number, since 1 + 1 + 9 + 139 + 8 + 487 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 76693548096 + 42446300625 = 276936^2 + 206025^2 .

It is not a de Polignac number, because 119139848721 - 2² = 119139848717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (119139848741) 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 5 ways as a sum of consecutive naturals, for example, 6618880476 + ... + 6618880493.

It is an arithmetic number, because the mean of its divisors is an integer number (28681815435).

Almost surely, 2^119139848721 is an apocalyptic number.

It is an amenable number.

119139848721 is a deficient number, since it is larger than the sum of its proper divisors (52951043889).

119139848721 is a wasteful number, since it uses less digits than its factorization.

119139848721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13237760975 (or 13237760972 counting only the distinct ones).

The product of its digits is 870912, while the sum is 54.

The spelling of 119139848721 in words is "one hundred nineteen billion, one hundred thirty-nine million, eight hundred forty-eight thousand, seven hundred twenty-one".