11680490493 has 96 divisors (see below), whose sum is σ = 20544040320. Its totient is φ = 6538371840.

The previous prime is 11680490491. The next prime is 11680490501. The reversal of 11680490493 is 39409408611.

11680490493 is a `hidden beast` number, since 11 + 68 + 0 + 4 + 90 + 493 = 666.

It is not a de Polignac number, because 11680490493 - 2¹ = 11680490491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11680490491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 27744423 + ... + 27744843.

It is an arithmetic number, because the mean of its divisors is an integer number (214000420).

Almost surely, 2^11680490493 is an apocalyptic number.

It is an amenable number.

11680490493 is a deficient number, since it is larger than the sum of its proper divisors (8863549827).

11680490493 is a wasteful number, since it uses less digits than its factorization.

11680490493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 811 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 11680490493 in words is "eleven billion, six hundred eighty million, four hundred ninety thousand, four hundred ninety-three".