11931307746 has 16 divisors (see below), whose sum is σ = 24444631008. Its totient is φ = 3880100000.

The previous prime is 11931307721. The next prime is 11931307763. The reversal of 11931307746 is 64770313911.

11931307746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11931307746² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11931307698 and 11931307707.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24250380 + ... + 24250871.

It is an arithmetic number, because the mean of its divisors is an integer number (1527789438).

Almost surely, 2^11931307746 is an apocalyptic number.

11931307746 is an abundant number, since it is smaller than the sum of its proper divisors (12513323262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11931307746 is a wasteful number, since it uses less digits than its factorization.

11931307746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48501297.

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 11931307746 in words is "eleven billion, nine hundred thirty-one million, three hundred seven thousand, seven hundred forty-six".