11436401217 has 16 divisors (see below), whose sum is σ = 15608818368. Its totient is φ = 7444254720.

The previous prime is 11436401201. The next prime is 11436401237. The reversal of 11436401217 is 71210463411.

It is not a de Polignac number, because 11436401217 - 2⁴ = 11436401201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11436401237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 377713 + ... + 406865.

It is an arithmetic number, because the mean of its divisors is an integer number (975551148).

Almost surely, 2^11436401217 is an apocalyptic number.

It is an amenable number.

11436401217 is a deficient number, since it is larger than the sum of its proper divisors (4172417151).

11436401217 is a wasteful number, since it uses less digits than its factorization.

11436401217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32240.

The product of its (nonzero) digits is 4032, while the sum is 30.

Adding to 11436401217 its reverse (71210463411), we get a palindrome (82646864628).

The spelling of 11436401217 in words is "eleven billion, four hundred thirty-six million, four hundred one thousand, two hundred seventeen".