11934751605 has 32 divisors (see below), whose sum is σ = 21957464064. Its totient is φ = 5422406976.

The previous prime is 11934751579. The next prime is 11934751613. The reversal of 11934751605 is 50615743911.

It is not a de Polignac number, because 11934751605 - 2⁵ = 11934751573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 331549 + ... + 365778.

It is an arithmetic number, because the mean of its divisors is an integer number (686170752).

Almost surely, 2^11934751605 is an apocalyptic number.

11934751605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11934751605 is a deficient number, since it is larger than the sum of its proper divisors (10022712459).

11934751605 is a wasteful number, since it uses less digits than its factorization.

11934751605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697505.

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 11934751605 in words is "eleven billion, nine hundred thirty-four million, seven hundred fifty-one thousand, six hundred five".