10851630991 has 16 divisors (see below), whose sum is σ = 11202048000. Its totient is φ = 10507860000.

The previous prime is 10851630871. The next prime is 10851631019. The reversal of 10851630991 is 19903615801.

It is a cyclic number.

It is not a de Polignac number, because 10851630991 - 2⁷ = 10851630863 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 (10851630191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1181266 + ... + 1190416.

It is an arithmetic number, because the mean of its divisors is an integer number (700128000).

Almost surely, 2^10851630991 is an apocalyptic number.

10851630991 is a deficient number, since it is larger than the sum of its proper divisors (350417009).

10851630991 is a wasteful number, since it uses less digits than its factorization.

10851630991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 58320, while the sum is 43.

The spelling of 10851630991 in words is "ten billion, eight hundred fifty-one million, six hundred thirty thousand, nine hundred ninety-one".