120144013311 has 24 divisors (see below), whose sum is σ = 186981876144. Its totient is φ = 68419384320.

The previous prime is 120144013291. The next prime is 120144013321. The reversal of 120144013311 is 113310441021.

It is not a de Polignac number, because 120144013311 - 2¹¹ = 120144011263 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144013321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1351650 + ... + 1437791.

It is an arithmetic number, because the mean of its divisors is an integer number (7790911506).

Almost surely, 2^120144013311 is an apocalyptic number.

120144013311 is a deficient number, since it is larger than the sum of its proper divisors (66837862833).

120144013311 is a wasteful number, since it uses less digits than its factorization.

120144013311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789751 (or 2789744 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 120144013311 its reverse (113310441021), we get a palindrome (233454454332).

The spelling of 120144013311 in words is "one hundred twenty billion, one hundred forty-four million, thirteen thousand, three hundred eleven".