2158771103 has 2 divisors, whose sum is σ = 2158771104. Its totient is φ = 2158771102.

The previous prime is 2158771093. The next prime is 2158771123. The reversal of 2158771103 is 3011778512.

It is a happy number.

2158771103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2158771103 - 2⁸ = 2158770847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2158771123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079385551 + 1079385552.

It is an arithmetic number, because the mean of its divisors is an integer number (1079385552).

Almost surely, 2^2158771103 is an apocalyptic number.

2158771103 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158771103 is an equidigital number, since it uses as much as digits as its factorization.

2158771103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 35.

The square root of 2158771103 is about 46462.5774468012. The cubic root of 2158771103 is about 1292.4156213724.

The spelling of 2158771103 in words is "two billion, one hundred fifty-eight million, seven hundred seventy-one thousand, one hundred three".