105997880031427 has 2 divisors, whose sum is σ = 105997880031428. Its totient is φ = 105997880031426.

The previous prime is 105997880031397. The next prime is 105997880031493. The reversal of 105997880031427 is 724130088799501.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105997880031427 is a prime.

It is a super-2 number, since 2×105997880031427² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105997880011427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52998940015713 + 52998940015714.

It is an arithmetic number, because the mean of its divisors is an integer number (52998940015714).

Almost surely, 2^{105997880031427} is an apocalyptic number.

105997880031427 is a deficient number, since it is larger than the sum of its proper divisors (1).

105997880031427 is an equidigital number, since it uses as much as digits as its factorization.

105997880031427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 64.

The spelling of 105997880031427 in words is "one hundred five trillion, nine hundred ninety-seven billion, eight hundred eighty million, thirty-one thousand, four hundred twenty-seven".