11151532391 has 2 divisors, whose sum is σ = 11151532392. Its totient is φ = 11151532390.

The previous prime is 11151532369. The next prime is 11151532411. The reversal of 11151532391 is 19323515111.

It is a strong prime.

It is an emirp because it is prime and its reverse (19323515111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11151532391 - 2¹⁰ = 11151531367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11151532361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5575766195 + 5575766196.

It is an arithmetic number, because the mean of its divisors is an integer number (5575766196).

Almost surely, 2^11151532391 is an apocalyptic number.

11151532391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11151532391 is an equidigital number, since it uses as much as digits as its factorization.

11151532391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4050, while the sum is 32.

The spelling of 11151532391 in words is "eleven billion, one hundred fifty-one million, five hundred thirty-two thousand, three hundred ninety-one".