11931051998937 has 48 divisors (see below), whose sum is σ = 16631185032000. Its totient is φ = 7606979550720.

The previous prime is 11931051998903. The next prime is 11931051999073. The reversal of 11931051998937 is 73989915013911.

It is not a de Polignac number, because 11931051998937 - 2³¹ = 11928904515289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11931051998837) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 535999114 + ... + 536021372.

It is an arithmetic number, because the mean of its divisors is an integer number (346483021500).

Almost surely, 2^{11931051998937} is an apocalyptic number.

It is an amenable number.

11931051998937 is a deficient number, since it is larger than the sum of its proper divisors (4700133033063).

11931051998937 is a wasteful number, since it uses less digits than its factorization.

11931051998937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24502 (or 24471 counting only the distinct ones).

The product of its (nonzero) digits is 16533720, while the sum is 66.

The spelling of 11931051998937 in words is "eleven trillion, nine hundred thirty-one billion, fifty-one million, nine hundred ninety-eight thousand, nine hundred thirty-seven".