11387531083 has 2 divisors, whose sum is σ = 11387531084. Its totient is φ = 11387531082.

The previous prime is 11387531047. The next prime is 11387531093. The reversal of 11387531083 is 38013578311.

It is a strong prime.

It is an emirp because it is prime and its reverse (38013578311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11387531083 - 2⁹ = 11387530571 is a prime.

It is not a weakly prime, because it can be changed into another prime (11387531093) 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, 5693765541 + 5693765542.

It is an arithmetic number, because the mean of its divisors is an integer number (5693765542).

Almost surely, 2^11387531083 is an apocalyptic number.

11387531083 is a deficient number, since it is larger than the sum of its proper divisors (1).

11387531083 is an equidigital number, since it uses as much as digits as its factorization.

11387531083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 11387531083 in words is "eleven billion, three hundred eighty-seven million, five hundred thirty-one thousand, eighty-three".