109195551379 has 2 divisors, whose sum is σ = 109195551380. Its totient is φ = 109195551378.

The previous prime is 109195551349. The next prime is 109195551391. The reversal of 109195551379 is 973155591901.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 109195551379 - 2¹⁷ = 109195420307 is a prime.

It is not a weakly prime, because it can be changed into another prime (109195551349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54597775689 + 54597775690.

It is an arithmetic number, because the mean of its divisors is an integer number (54597775690).

Almost surely, 2^109195551379 is an apocalyptic number.

109195551379 is a deficient number, since it is larger than the sum of its proper divisors (1).

109195551379 is an equidigital number, since it uses as much as digits as its factorization.

109195551379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1913625, while the sum is 55.

The spelling of 109195551379 in words is "one hundred nine billion, one hundred ninety-five million, five hundred fifty-one thousand, three hundred seventy-nine".