11143750987 has 2 divisors, whose sum is σ = 11143750988. Its totient is φ = 11143750986.

The previous prime is 11143750973. The next prime is 11143751011. The reversal of 11143750987 is 78905734111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11143750987 - 2¹¹ = 11143748939 is a prime.

It is not a weakly prime, because it can be changed into another prime (11143751987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571875493 + 5571875494.

It is an arithmetic number, because the mean of its divisors is an integer number (5571875494).

Almost surely, 2^11143750987 is an apocalyptic number.

11143750987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143750987 is an equidigital number, since it uses as much as digits as its factorization.

11143750987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 46.

The spelling of 11143750987 in words is "eleven billion, one hundred forty-three million, seven hundred fifty thousand, nine hundred eighty-seven".