2158895196371 has 2 divisors, whose sum is σ = 2158895196372. Its totient is φ = 2158895196370.

The previous prime is 2158895196349. The next prime is 2158895196431. The reversal of 2158895196371 is 1736915988512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2158895196371 - 2¹⁸ = 2158894934227 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2158895196298 and 2158895196307.

It is not a weakly prime, because it can be changed into another prime (2158895195371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1079447598185 + 1079447598186.

It is an arithmetic number, because the mean of its divisors is an integer number (1079447598186).

Almost surely, 2^{2158895196371} is an apocalyptic number.

2158895196371 is a deficient number, since it is larger than the sum of its proper divisors (1).

2158895196371 is an equidigital number, since it uses as much as digits as its factorization.

2158895196371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32659200, while the sum is 65.

The spelling of 2158895196371 in words is "two trillion, one hundred fifty-eight billion, eight hundred ninety-five million, one hundred ninety-six thousand, three hundred seventy-one".