111010109953 has 2 divisors, whose sum is σ = 111010109954. Its totient is φ = 111010109952.

The previous prime is 111010109929. The next prime is 111010110031. The reversal of 111010109953 is 359901010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81380684529 + 29629425424 = 285273^2 + 172132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111010109953 is a prime.

It is not a weakly prime, because it can be changed into another prime (111010179953) 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, 55505054976 + 55505054977.

It is an arithmetic number, because the mean of its divisors is an integer number (55505054977).

Almost surely, 2^111010109953 is an apocalyptic number.

It is an amenable number.

111010109953 is a deficient number, since it is larger than the sum of its proper divisors (1).

111010109953 is an equidigital number, since it uses as much as digits as its factorization.

111010109953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 31.

The spelling of 111010109953 in words is "one hundred eleven billion, ten million, one hundred nine thousand, nine hundred fifty-three".