140243254611 has 8 divisors (see below), whose sum is σ = 187807561680. Its totient is φ = 93087225312.

The previous prime is 140243254589. The next prime is 140243254643. The reversal of 140243254611 is 116452342041.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 140243254611 - 2¹⁸ = 140242992467 is a prime.

It is a super-2 number, since 2×140243254611² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (140243254681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102068640 + ... + 102070013.

It is an arithmetic number, because the mean of its divisors is an integer number (23475945210).

Almost surely, 2^140243254611 is an apocalyptic number.

140243254611 is a deficient number, since it is larger than the sum of its proper divisors (47564307069).

140243254611 is a wasteful number, since it uses less digits than its factorization.

140243254611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204138885.

The product of its (nonzero) digits is 23040, while the sum is 33.

Adding to 140243254611 its reverse (116452342041), we get a palindrome (256695596652).

The spelling of 140243254611 in words is "one hundred forty billion, two hundred forty-three million, two hundred fifty-four thousand, six hundred eleven".