11924280001 has 4 divisors (see below), whose sum is σ = 12335462100. Its totient is φ = 11513097904.

The previous prime is 11924279981. The next prime is 11924280007. The reversal of 11924280001 is 10008242911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10008242911 = 3347 ⋅2990213.

It can be written as a sum of positive squares in 2 ways, for example, as 9955050625 + 1969229376 = 99775^2 + 44376^2 .

It is not a de Polignac number, because 11924280001 - 2⁹ = 11924279489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11924280007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205591006 + ... + 205591063.

It is an arithmetic number, because the mean of its divisors is an integer number (3083865525).

Almost surely, 2^11924280001 is an apocalyptic number.

It is an amenable number.

11924280001 is a deficient number, since it is larger than the sum of its proper divisors (411182099).

11924280001 is an equidigital number, since it uses as much as digits as its factorization.

11924280001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411182098.

The product of its (nonzero) digits is 1152, while the sum is 28.

The spelling of 11924280001 in words is "eleven billion, nine hundred twenty-four million, two hundred eighty thousand, one".