11930117521797 has 16 divisors (see below), whose sum is σ = 17776411471680. Its totient is φ = 7907438200176.

The previous prime is 11930117521769. The next prime is 11930117521799. The reversal of 11930117521797 is 79712571103911.

11930117521797 is a `hidden beast` number, since 1 + 1 + 9 + 30 + 1 + 17 + 521 + 79 + 7 = 666.

It is not a de Polignac number, because 11930117521797 - 2⁸ = 11930117521541 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11930117521799) 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, 1277036383 + ... + 1277045724.

It is an arithmetic number, because the mean of its divisors is an integer number (1111025716980).

Almost surely, 2^{11930117521797} is an apocalyptic number.

It is an amenable number.

11930117521797 is a deficient number, since it is larger than the sum of its proper divisors (5846293949883).

11930117521797 is a wasteful number, since it uses less digits than its factorization.

11930117521797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2554082289 (or 2554082283 counting only the distinct ones).

The product of its (nonzero) digits is 833490, while the sum is 54.

The spelling of 11930117521797 in words is "eleven trillion, nine hundred thirty billion, one hundred seventeen million, five hundred twenty-one thousand, seven hundred ninety-seven".