11515140201 has 16 divisors (see below), whose sum is σ = 15741252864. Its totient is φ = 7484166144.

The previous prime is 11515140199. The next prime is 11515140223. The reversal of 11515140201 is 10204151511.

11515140201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11515140201 - 2¹ = 11515140199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11515140001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122650 + ... + 195123.

It is an arithmetic number, because the mean of its divisors is an integer number (983828304).

Almost surely, 2^11515140201 is an apocalyptic number.

It is an amenable number.

11515140201 is a deficient number, since it is larger than the sum of its proper divisors (4226112663).

11515140201 is a wasteful number, since it uses less digits than its factorization.

11515140201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318080.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 11515140201 its reverse (10204151511), we get a palindrome (21719291712).

The spelling of 11515140201 in words is "eleven billion, five hundred fifteen million, one hundred forty thousand, two hundred one".