120144432120511 has 4 divisors (see below), whose sum is σ = 120808213513624. Its totient is φ = 119480650727400.

The previous prime is 120144432120487. The next prime is 120144432120529. The reversal of 120144432120511 is 115021234441021.

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 120144432120511 - 2¹³ = 120144432112319 is a prime.

It is a super-2 number, since 2×120144432120511² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120144432129511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 331890696285 + ... + 331890696646.

It is an arithmetic number, because the mean of its divisors is an integer number (30202053378406).

Almost surely, 2^{120144432120511} is an apocalyptic number.

120144432120511 is a deficient number, since it is larger than the sum of its proper divisors (663781393113).

120144432120511 is an equidigital number, since it uses as much as digits as its factorization.

120144432120511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663781393112.

The product of its (nonzero) digits is 7680, while the sum is 31.

Adding to 120144432120511 its reverse (115021234441021), we get a palindrome (235165666561532).

The spelling of 120144432120511 in words is "one hundred twenty trillion, one hundred forty-four billion, four hundred thirty-two million, one hundred twenty thousand, five hundred eleven".