120077543918 has 4 divisors (see below), whose sum is σ = 180116315880. Its totient is φ = 60038771958.

The previous prime is 120077543899. The next prime is 120077543921. The reversal of 120077543918 is 819345770021.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30019385978 + ... + 30019385981.

It is an arithmetic number, because the mean of its divisors is an integer number (45029078970).

Almost surely, 2^120077543918 is an apocalyptic number.

120077543918 is a deficient number, since it is larger than the sum of its proper divisors (60038771962).

120077543918 is an equidigital number, since it uses as much as digits as its factorization.

120077543918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60038771961.

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 120077543918 in words is "one hundred twenty billion, seventy-seven million, five hundred forty-three thousand, nine hundred eighteen".