111920858041 has 2 divisors, whose sum is σ = 111920858042. Its totient is φ = 111920858040.

The previous prime is 111920858017. The next prime is 111920858069. The reversal of 111920858041 is 140858029111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 97653750016 + 14267108025 = 312496^2 + 119445^2 .

It is a cyclic number.

It is not a de Polignac number, because 111920858041 - 2⁵ = 111920858009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111920857985 and 111920858003.

It is not a weakly prime, because it can be changed into another prime (111920858081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55960429020 + 55960429021.

It is an arithmetic number, because the mean of its divisors is an integer number (55960429021).

Almost surely, 2^111920858041 is an apocalyptic number.

It is an amenable number.

111920858041 is a deficient number, since it is larger than the sum of its proper divisors (1).

111920858041 is an equidigital number, since it uses as much as digits as its factorization.

111920858041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 111920858041 in words is "one hundred eleven billion, nine hundred twenty million, eight hundred fifty-eight thousand, forty-one".