11782620783 has 12 divisors (see below), whose sum is σ = 17307805320. Its totient is φ = 7721943216.

The previous prime is 11782620769. The next prime is 11782620793. The reversal of 11782620783 is 38702628711.

11782620783 is a `hidden beast` number, since 1 + 17 + 8 + 2 + 620 + 7 + 8 + 3 = 666.

It is not a de Polignac number, because 11782620783 - 2⁶ = 11782620719 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11782620793) 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 11 ways as a sum of consecutive naturals, for example, 11094216 + ... + 11095277.

It is an arithmetic number, because the mean of its divisors is an integer number (1442317110).

Almost surely, 2^11782620783 is an apocalyptic number.

11782620783 is a deficient number, since it is larger than the sum of its proper divisors (5525184537).

11782620783 is a wasteful number, since it uses less digits than its factorization.

11782620783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22189558 (or 22189555 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The spelling of 11782620783 in words is "eleven billion, seven hundred eighty-two million, six hundred twenty thousand, seven hundred eighty-three".