111500258201 has 2 divisors, whose sum is σ = 111500258202. Its totient is φ = 111500258200.

The previous prime is 111500258171. The next prime is 111500258249. The reversal of 111500258201 is 102852005111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109388947600 + 2111310601 = 330740^2 + 45949^2 .

It is an emirp because it is prime and its reverse (102852005111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111500258201 is a prime.

It is not a weakly prime, because it can be changed into another prime (111500258101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55750129100 + 55750129101.

It is an arithmetic number, because the mean of its divisors is an integer number (55750129101).

Almost surely, 2^111500258201 is an apocalyptic number.

It is an amenable number.

111500258201 is a deficient number, since it is larger than the sum of its proper divisors (1).

111500258201 is an equidigital number, since it uses as much as digits as its factorization.

111500258201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 800, while the sum is 26.

The spelling of 111500258201 in words is "one hundred eleven billion, five hundred million, two hundred fifty-eight thousand, two hundred one".