111551049583 has 2 divisors, whose sum is σ = 111551049584. Its totient is φ = 111551049582.

The previous prime is 111551049581. The next prime is 111551049607. The reversal of 111551049583 is 385940155111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 111551049583 - 2¹ = 111551049581 is a prime.

Together with 111551049581, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111551049581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55775524791 + 55775524792.

It is an arithmetic number, because the mean of its divisors is an integer number (55775524792).

Almost surely, 2^111551049583 is an apocalyptic number.

111551049583 is a deficient number, since it is larger than the sum of its proper divisors (1).

111551049583 is an equidigital number, since it uses as much as digits as its factorization.

111551049583 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 43.

The spelling of 111551049583 in words is "one hundred eleven billion, five hundred fifty-one million, forty-nine thousand, five hundred eighty-three".