11231554319 has 2 divisors, whose sum is σ = 11231554320. Its totient is φ = 11231554318.

The previous prime is 11231554297. The next prime is 11231554387. The reversal of 11231554319 is 91345513211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11231554319 - 2¹⁶ = 11231488783 is a prime.

It is a super-2 number, since 2×11231554319² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231554219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615777159 + 5615777160.

It is an arithmetic number, because the mean of its divisors is an integer number (5615777160).

Almost surely, 2^11231554319 is an apocalyptic number.

11231554319 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231554319 is an equidigital number, since it uses as much as digits as its factorization.

11231554319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16200, while the sum is 35.

The spelling of 11231554319 in words is "eleven billion, two hundred thirty-one million, five hundred fifty-four thousand, three hundred nineteen".