11910293666391 has 48 divisors (see below), whose sum is σ = 17157164348544. Its totient is φ = 7344268843968.

The previous prime is 11910293666387. The next prime is 11910293666441. The reversal of 11910293666391 is 19366639201911.

It is not a de Polignac number, because 11910293666391 - 2² = 11910293666387 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11910293666291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 113436180 + ... + 113541126.

It is an arithmetic number, because the mean of its divisors is an integer number (357440923928).

Almost surely, 2^{11910293666391} is an apocalyptic number.

11910293666391 is a deficient number, since it is larger than the sum of its proper divisors (5246870682153).

11910293666391 is a wasteful number, since it uses less digits than its factorization.

11910293666391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107468 (or 107449 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 57.

The spelling of 11910293666391 in words is "eleven trillion, nine hundred ten billion, two hundred ninety-three million, six hundred sixty-six thousand, three hundred ninety-one".