11040420001 has 6 divisors (see below), whose sum is σ = 11955011190. Its totient is φ = 10191156768.

The previous prime is 11040419993. The next prime is 11040420043. The reversal of 11040420001 is 10002404011.

It can be written as a sum of positive squares in 3 ways, for example, as 1353136225 + 9687283776 = 36785^2 + 98424^2 .

It is not a de Polignac number, because 11040420001 - 2³ = 11040419993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11040420091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32663796 + ... + 32664133.

It is an arithmetic number, because the mean of its divisors is an integer number (1992501865).

Almost surely, 2^11040420001 is an apocalyptic number.

It is an amenable number.

11040420001 is a deficient number, since it is larger than the sum of its proper divisors (914591189).

11040420001 is an equidigital number, since it uses as much as digits as its factorization.

11040420001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65327955 (or 65327942 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 11040420001 its reverse (10002404011), we get a palindrome (21042824012).

The spelling of 11040420001 in words is "eleven billion, forty million, four hundred twenty thousand, one".