13511455201 has 4 divisors (see below), whose sum is σ = 13766388372. Its totient is φ = 13256522032.

The previous prime is 13511455189. The next prime is 13511455247. The reversal of 13511455201 is 10255411531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11965078225 + 1546376976 = 109385^2 + 39324^2 .

It is a cyclic number.

It is not a de Polignac number, because 13511455201 - 2²⁵ = 13477900769 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13511455201.

It is not an unprimeable number, because it can be changed into a prime (13511455261) 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, 127466506 + ... + 127466611.

It is an arithmetic number, because the mean of its divisors is an integer number (3441597093).

Almost surely, 2^13511455201 is an apocalyptic number.

It is an amenable number.

13511455201 is a deficient number, since it is larger than the sum of its proper divisors (254933171).

13511455201 is an equidigital number, since it uses as much as digits as its factorization.

13511455201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254933170.

The product of its (nonzero) digits is 3000, while the sum is 28.

Adding to 13511455201 its reverse (10255411531), we get a palindrome (23766866732).

The spelling of 13511455201 in words is "thirteen billion, five hundred eleven million, four hundred fifty-five thousand, two hundred one".