11538455201 has 16 divisors (see below), whose sum is σ = 14212794624. Its totient is φ = 9121857984.

The previous prime is 11538455189. The next prime is 11538455219. The reversal of 11538455201 is 10255483511.

It is a cyclic number.

It is not a de Polignac number, because 11538455201 - 2¹⁰ = 11538454177 is a prime.

It is a super-3 number, since 3×11538455201³ (a number of 31 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11538455251) 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, 61316 + ... + 163818.

It is an arithmetic number, because the mean of its divisors is an integer number (888299664).

Almost surely, 2^11538455201 is an apocalyptic number.

It is an amenable number.

11538455201 is a deficient number, since it is larger than the sum of its proper divisors (2674339423).

11538455201 is a wasteful number, since it uses less digits than its factorization.

11538455201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103760.

The product of its (nonzero) digits is 24000, while the sum is 35.

The spelling of 11538455201 in words is "eleven billion, five hundred thirty-eight million, four hundred fifty-five thousand, two hundred one".