120511115143 has 4 divisors (see below), whose sum is σ = 120903659800. Its totient is φ = 120118570488.

The previous prime is 120511115129. The next prime is 120511115183. The reversal of 120511115143 is 341511115021.

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

It is a cyclic number.

It is not a de Polignac number, because 120511115143 - 2²⁵ = 120477560711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120511115183) 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 3 ways as a sum of consecutive naturals, for example, 196271868 + ... + 196272481.

It is an arithmetic number, because the mean of its divisors is an integer number (30225914950).

Almost surely, 2^120511115143 is an apocalyptic number.

120511115143 is a deficient number, since it is larger than the sum of its proper divisors (392544657).

120511115143 is an equidigital number, since it uses as much as digits as its factorization.

120511115143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392544656.

The product of its (nonzero) digits is 600, while the sum is 25.

The spelling of 120511115143 in words is "one hundred twenty billion, five hundred eleven million, one hundred fifteen thousand, one hundred forty-three".