140020550311 has 4 divisors (see below), whose sum is σ = 140336624232. Its totient is φ = 139704476392.

The previous prime is 140020550287. The next prime is 140020550333. The reversal of 140020550311 is 113055020041.

It is a happy number.

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 140020550311 - 2¹⁵ = 140020517543 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 (140020557311) 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, 158036296 + ... + 158037181.

It is an arithmetic number, because the mean of its divisors is an integer number (35084156058).

Almost surely, 2^140020550311 is an apocalyptic number.

140020550311 is a deficient number, since it is larger than the sum of its proper divisors (316073921).

140020550311 is an equidigital number, since it uses as much as digits as its factorization.

140020550311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316073920.

The product of its (nonzero) digits is 600, while the sum is 22.

Adding to 140020550311 its reverse (113055020041), we get a palindrome (253075570352).

The spelling of 140020550311 in words is "one hundred forty billion, twenty million, five hundred fifty thousand, three hundred eleven".