11967530007890 has 32 divisors (see below), whose sum is σ = 22124024432640. Its totient is φ = 4657577246784.

The previous prime is 11967530007859. The next prime is 11967530007899. The reversal of 11967530007890 is 9870003576911.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11967530007899) 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, 44347991 + ... + 44617029.

It is an arithmetic number, because the mean of its divisors is an integer number (691375763520).

Almost surely, 2^{11967530007890} is an apocalyptic number.

11967530007890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11967530007890 is a deficient number, since it is larger than the sum of its proper divisors (10156494424750).

11967530007890 is a wasteful number, since it uses less digits than its factorization.

11967530007890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389306.

The product of its (nonzero) digits is 2857680, while the sum is 56.

The spelling of 11967530007890 in words is "eleven trillion, nine hundred sixty-seven billion, five hundred thirty million, seven thousand, eight hundred ninety".