105505332379 has 2 divisors, whose sum is σ = 105505332380. Its totient is φ = 105505332378.

The previous prime is 105505332343. The next prime is 105505332463. The reversal of 105505332379 is 973233505501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105505332379 is a prime.

It is a super-2 number, since 2×105505332379² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105505332679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52752666189 + 52752666190.

It is an arithmetic number, because the mean of its divisors is an integer number (52752666190).

Almost surely, 2^105505332379 is an apocalyptic number.

105505332379 is a deficient number, since it is larger than the sum of its proper divisors (1).

105505332379 is an equidigital number, since it uses as much as digits as its factorization.

105505332379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 425250, while the sum is 43.

The spelling of 105505332379 in words is "one hundred five billion, five hundred five million, three hundred thirty-two thousand, three hundred seventy-nine".