140585511523811 has 4 divisors (see below), whose sum is σ = 140596914367800. Its totient is φ = 140574108679824.

The previous prime is 140585511523727. The next prime is 140585511523841. The reversal of 140585511523811 is 118325115585041.

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 140585511523811 - 2³⁰ = 140584437781987 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140585511523811.

It is not an unprimeable number, because it can be changed into a prime (140585511523841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5701403501 + ... + 5701428158.

It is an arithmetic number, because the mean of its divisors is an integer number (35149228591950).

Almost surely, 2^{140585511523811} is an apocalyptic number.

140585511523811 is a deficient number, since it is larger than the sum of its proper divisors (11402843989).

140585511523811 is a wasteful number, since it uses less digits than its factorization.

140585511523811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11402843988.

The product of its (nonzero) digits is 960000, while the sum is 50.

The spelling of 140585511523811 in words is "one hundred forty trillion, five hundred eighty-five billion, five hundred eleven million, five hundred twenty-three thousand, eight hundred eleven".