11447447801 has 8 divisors (see below), whose sum is σ = 11772280800. Its totient is φ = 11126975200.

The previous prime is 11447447771. The next prime is 11447447821. The reversal of 11447447801 is 10874474411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11447447801 - 2³⁰ = 10373705977 is a prime.

It is a super-2 number, since 2×11447447801² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11447447821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084775 + ... + 1095276.

It is an arithmetic number, because the mean of its divisors is an integer number (1471535100).

Almost surely, 2^11447447801 is an apocalyptic number.

It is an amenable number.

11447447801 is a deficient number, since it is larger than the sum of its proper divisors (324832999).

11447447801 is an equidigital number, since it uses as much as digits as its factorization.

11447447801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2180199.

The product of its (nonzero) digits is 100352, while the sum is 41.

The spelling of 11447447801 in words is "eleven billion, four hundred forty-seven million, four hundred forty-seven thousand, eight hundred one".