11945774574040 has 32 divisors (see below), whose sum is σ = 27013058100000. Its totient is φ = 4754298219264.

The previous prime is 11945774573977. The next prime is 11945774574049. The reversal of 11945774574040 is 4047547754911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11945774574049) 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, 750354765 + ... + 750370684.

It is an arithmetic number, because the mean of its divisors is an integer number (844158065625).

Almost surely, 2^{11945774574040} is an apocalyptic number.

11945774574040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11945774574040 is an abundant number, since it is smaller than the sum of its proper divisors (15067283525960).

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

11945774574040 is a wasteful number, since it uses less digits than its factorization.

11945774574040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1500725659 (or 1500725655 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 58.

The spelling of 11945774574040 in words is "eleven trillion, nine hundred forty-five billion, seven hundred seventy-four million, five hundred seventy-four thousand, forty".