120154111443 has 6 divisors (see below), whose sum is σ = 173555938764. Its totient is φ = 80102740956.

The previous prime is 120154111421. The next prime is 120154111481. The reversal of 120154111443 is 344111451021.

It is a happy number.

120154111443 is a `hidden beast` number, since 1 + 2 + 0 + 1 + 541 + 114 + 4 + 3 = 666.

It is not a de Polignac number, because 120154111443 - 2⁶ = 120154111379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (120154111643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6675228405 + ... + 6675228422.

It is an arithmetic number, because the mean of its divisors is an integer number (28925989794).

Almost surely, 2^120154111443 is an apocalyptic number.

120154111443 is a deficient number, since it is larger than the sum of its proper divisors (53401827321).

120154111443 is a wasteful number, since it uses less digits than its factorization.

120154111443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13350456833 (or 13350456830 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 120154111443 its reverse (344111451021), we get a palindrome (464265562464).

The spelling of 120154111443 in words is "one hundred twenty billion, one hundred fifty-four million, one hundred eleven thousand, four hundred forty-three".