11138750993 has 2 divisors, whose sum is σ = 11138750994. Its totient is φ = 11138750992.

The previous prime is 11138750981. The next prime is 11138751017. The reversal of 11138750993 is 39905783111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9058661329 + 2080089664 = 95177^2 + 45608^2 .

It is a cyclic number.

It is not a de Polignac number, because 11138750993 - 2¹² = 11138746897 is a prime.

It is not a weakly prime, because it can be changed into another prime (11138750933) 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 as a sum of consecutive naturals, namely, 5569375496 + 5569375497.

It is an arithmetic number, because the mean of its divisors is an integer number (5569375497).

Almost surely, 2^11138750993 is an apocalyptic number.

It is an amenable number.

11138750993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11138750993 is an equidigital number, since it uses as much as digits as its factorization.

11138750993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 47.

The spelling of 11138750993 in words is "eleven billion, one hundred thirty-eight million, seven hundred fifty thousand, nine hundred ninety-three".