11540303427 has 16 divisors (see below), whose sum is σ = 15572978208. Its totient is φ = 7601018880.

The previous prime is 11540303351. The next prime is 11540303431. The reversal of 11540303427 is 72430304511.

It is a happy number.

It is not a de Polignac number, because 11540303427 - 2¹⁴ = 11540287043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11540303394 and 11540303403.

It is not an unprimeable number, because it can be changed into a prime (11540303447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51727 + ... + 160487.

It is an arithmetic number, because the mean of its divisors is an integer number (973311138).

Almost surely, 2^11540303427 is an apocalyptic number.

11540303427 is a deficient number, since it is larger than the sum of its proper divisors (4032674781).

11540303427 is a wasteful number, since it uses less digits than its factorization.

11540303427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109190.

The product of its (nonzero) digits is 10080, while the sum is 30.

Adding to 11540303427 its reverse (72430304511), we get a palindrome (83970607938).

The spelling of 11540303427 in words is "eleven billion, five hundred forty million, three hundred three thousand, four hundred twenty-seven".