140523533011 has 4 divisors (see below), whose sum is σ = 140661437400. Its totient is φ = 140385628624.

The previous prime is 140523532997. The next prime is 140523533071. The reversal of 140523533011 is 110335325041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110335325041 = 313409 ⋅352049.

It is a cyclic number.

It is not a de Polignac number, because 140523533011 - 2⁵ = 140523532979 is a prime.

It is a super-2 number, since 2×140523533011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140523533071) 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, 68950666 + ... + 68952703.

It is an arithmetic number, because the mean of its divisors is an integer number (35165359350).

Almost surely, 2^140523533011 is an apocalyptic number.

140523533011 is a deficient number, since it is larger than the sum of its proper divisors (137904389).

140523533011 is a wasteful number, since it uses less digits than its factorization.

140523533011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137904388.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 140523533011 its reverse (110335325041), we get a palindrome (250858858052).

The spelling of 140523533011 in words is "one hundred forty billion, five hundred twenty-three million, five hundred thirty-three thousand, eleven".