111101111151097 has 2 divisors, whose sum is σ = 111101111151098. Its totient is φ = 111101111151096.

The previous prime is 111101111151083. The next prime is 111101111151101. The reversal of 111101111151097 is 790151111101111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73049226109456 + 38051885041641 = 8546884^2 + 6168621^2 .

It is a cyclic number.

It is not a de Polignac number, because 111101111151097 - 2³⁹ = 110551355337209 is a prime.

It is not a weakly prime, because it can be changed into another prime (111101111151697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550555575548 + 55550555575549.

It is an arithmetic number, because the mean of its divisors is an integer number (55550555575549).

Almost surely, 2^{111101111151097} is an apocalyptic number.

It is an amenable number.

111101111151097 is a deficient number, since it is larger than the sum of its proper divisors (1).

111101111151097 is an equidigital number, since it uses as much as digits as its factorization.

111101111151097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 31.

The spelling of 111101111151097 in words is "one hundred eleven trillion, one hundred one billion, one hundred eleven million, one hundred fifty-one thousand, ninety-seven".