11898035983 has 4 divisors (see below), whose sum is σ = 11898283288. Its totient is φ = 11897788680.

The previous prime is 11898035969. The next prime is 11898036011. The reversal of 11898035983 is 38953089811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38953089811 = 1619 ⋅24059969.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11898035983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11898039983) 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 3 ways as a sum of consecutive naturals, for example, 25533 + ... + 156358.

It is an arithmetic number, because the mean of its divisors is an integer number (2974570822).

Almost surely, 2^11898035983 is an apocalyptic number.

11898035983 is a deficient number, since it is larger than the sum of its proper divisors (247305).

11898035983 is an equidigital number, since it uses as much as digits as its factorization.

11898035983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247304.

The product of its (nonzero) digits is 1866240, while the sum is 55.

The spelling of 11898035983 in words is "eleven billion, eight hundred ninety-eight million, thirty-five thousand, nine hundred eighty-three".