631579011159 has 8 divisors (see below), whose sum is σ = 869270036992. Its totient is φ = 407470329720.

The previous prime is 631579011149. The next prime is 631579011223. The reversal of 631579011159 is 951110975136.

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 631579011159 - 2¹² = 631579007063 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 (631579011149) 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, 3395585989 + ... + 3395586174.

It is an arithmetic number, because the mean of its divisors is an integer number (108658754624).

Almost surely, 2^631579011159 is an apocalyptic number.

631579011159 is a deficient number, since it is larger than the sum of its proper divisors (237691025833).

631579011159 is a wasteful number, since it uses less digits than its factorization.

631579011159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6791172197.

The product of its (nonzero) digits is 255150, while the sum is 48.

The spelling of 631579011159 in words is "six hundred thirty-one billion, five hundred seventy-nine million, eleven thousand, one hundred fifty-nine".