111355690001 has 2 divisors, whose sum is σ = 111355690002. Its totient is φ = 111355690000.

The previous prime is 111355689989. The next prime is 111355690009. The reversal of 111355690001 is 100096553111.

It is a Cunningham number, because it is equal to 333700²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111355690000 + 1 = 333700^2 + 1^2 .

It is an emirp because it is prime and its reverse (100096553111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111355690001 is a prime.

It is a super-2 number, since 2×111355690001² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111355690001.

It is not a weakly prime, because it can be changed into another prime (111355690009) 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, 55677845000 + 55677845001.

It is an arithmetic number, because the mean of its divisors is an integer number (55677845001).

Almost surely, 2^111355690001 is an apocalyptic number.

It is an amenable number.

111355690001 is a deficient number, since it is larger than the sum of its proper divisors (1).

111355690001 is an equidigital number, since it uses as much as digits as its factorization.

111355690001 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 111355690001 in words is "one hundred eleven billion, three hundred fifty-five million, six hundred ninety thousand, one".