11240134487 has 2 divisors, whose sum is σ = 11240134488. Its totient is φ = 11240134486.

The previous prime is 11240134483. The next prime is 11240134547. The reversal of 11240134487 is 78443104211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11240134487 - 2² = 11240134483 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11240134483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620067243 + 5620067244.

It is an arithmetic number, because the mean of its divisors is an integer number (5620067244).

Almost surely, 2^11240134487 is an apocalyptic number.

11240134487 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240134487 is an equidigital number, since it uses as much as digits as its factorization.

11240134487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

Adding to 11240134487 its reverse (78443104211), we get a palindrome (89683238698).

The spelling of 11240134487 in words is "eleven billion, two hundred forty million, one hundred thirty-four thousand, four hundred eighty-seven".