140511505120 has 96 divisors (see below), whose sum is σ = 379631605248. Its totient is φ = 48143559168.

The previous prime is 140511505063. The next prime is 140511505129. The reversal of 140511505120 is 21505115041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140511505129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1687507 + ... + 1768813.

It is an arithmetic number, because the mean of its divisors is an integer number (3954495888).

Almost surely, 2^140511505120 is an apocalyptic number.

140511505120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140511505120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (189815802624).

140511505120 is an abundant number, since it is smaller than the sum of its proper divisors (239120100128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140511505120 is a wasteful number, since it uses less digits than its factorization.

140511505120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82872 (or 82864 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 140511505120 in words is "one hundred forty billion, five hundred eleven million, five hundred five thousand, one hundred twenty".