140023661511 has 8 divisors (see below), whose sum is σ = 188350412400. Its totient is φ = 92523009152.

The previous prime is 140023661497. The next prime is 140023661549. The reversal of 140023661511 is 115166320041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 140023661511 - 2¹⁹ = 140023137223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140023661411) 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 7 ways as a sum of consecutive naturals, for example, 206524236 + ... + 206524913.

It is an arithmetic number, because the mean of its divisors is an integer number (23543801550).

Almost surely, 2^140023661511 is an apocalyptic number.

140023661511 is a deficient number, since it is larger than the sum of its proper divisors (48326750889).

140023661511 is a wasteful number, since it uses less digits than its factorization.

140023661511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413049265.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 140023661511 its reverse (115166320041), we get a palindrome (255189981552).

The spelling of 140023661511 in words is "one hundred forty billion, twenty-three million, six hundred sixty-one thousand, five hundred eleven".