159940537711 has 4 divisors (see below), whose sum is σ = 160445082312. Its totient is φ = 159435993112.

The previous prime is 159940537619. The next prime is 159940537717. The reversal of 159940537711 is 117735049951.

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 159940537711 - 2¹⁵ = 159940504943 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 (159940537717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252271825 + ... + 252272458.

It is an arithmetic number, because the mean of its divisors is an integer number (40111270578).

Almost surely, 2^159940537711 is an apocalyptic number.

159940537711 is a deficient number, since it is larger than the sum of its proper divisors (504544601).

159940537711 is an equidigital number, since it uses as much as digits as its factorization.

159940537711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504544600.

The product of its (nonzero) digits is 1190700, while the sum is 52.

The spelling of 159940537711 in words is "one hundred fifty-nine billion, nine hundred forty million, five hundred thirty-seven thousand, seven hundred eleven".