11956103683 has 2 divisors, whose sum is σ = 11956103684. Its totient is φ = 11956103682.

The previous prime is 11956103671. The next prime is 11956103699. The reversal of 11956103683 is 38630165911.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11956103683 is a prime.

It is not a weakly prime, because it can be changed into another prime (11956103623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978051841 + 5978051842.

It is an arithmetic number, because the mean of its divisors is an integer number (5978051842).

Almost surely, 2^11956103683 is an apocalyptic number.

11956103683 is a deficient number, since it is larger than the sum of its proper divisors (1).

11956103683 is an equidigital number, since it uses as much as digits as its factorization.

11956103683 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 43.

The spelling of 11956103683 in words is "eleven billion, nine hundred fifty-six million, one hundred three thousand, six hundred eighty-three".