11456812001 has 4 divisors (see below), whose sum is σ = 11459592192. Its totient is φ = 11454031812.

The previous prime is 11456811991. The next prime is 11456812039. The reversal of 11456812001 is 10021865411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11456812001 - 2⁶ = 11456811937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11456812061) 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, 1383905 + ... + 1392158.

It is an arithmetic number, because the mean of its divisors is an integer number (2864898048).

Almost surely, 2^11456812001 is an apocalyptic number.

It is an amenable number.

11456812001 is a deficient number, since it is larger than the sum of its proper divisors (2780191).

11456812001 is an equidigital number, since it uses as much as digits as its factorization.

11456812001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780190.

The product of its (nonzero) digits is 1920, while the sum is 29.

The spelling of 11456812001 in words is "eleven billion, four hundred fifty-six million, eight hundred twelve thousand, one".