11545022201 has 16 divisors (see below), whose sum is σ = 13167111168. Its totient is φ = 10058188800.

The previous prime is 11545022173. The next prime is 11545022207. The reversal of 11545022201 is 10222054511.

It is a cyclic number.

It is not a de Polignac number, because 11545022201 - 2¹⁸ = 11544760057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11545022207) 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, 464120 + ... + 488361.

It is an arithmetic number, because the mean of its divisors is an integer number (822944448).

Almost surely, 2^11545022201 is an apocalyptic number.

It is an amenable number.

11545022201 is a deficient number, since it is larger than the sum of its proper divisors (1622088967).

11545022201 is a wasteful number, since it uses less digits than its factorization.

11545022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952552.

The product of its (nonzero) digits is 800, while the sum is 23.

Adding to 11545022201 its reverse (10222054511), we get a palindrome (21767076712).

The spelling of 11545022201 in words is "eleven billion, five hundred forty-five million, twenty-two thousand, two hundred one".