106156430591 has 2 divisors, whose sum is σ = 106156430592. Its totient is φ = 106156430590.

The previous prime is 106156430551. The next prime is 106156430593. The reversal of 106156430591 is 195034651601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 106156430591 - 2¹⁴ = 106156414207 is a prime.

It is a super-2 number, since 2×106156430591² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 106156430593, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106156430593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53078215295 + 53078215296.

It is an arithmetic number, because the mean of its divisors is an integer number (53078215296).

Almost surely, 2^106156430591 is an apocalyptic number.

106156430591 is a deficient number, since it is larger than the sum of its proper divisors (1).

106156430591 is an equidigital number, since it uses as much as digits as its factorization.

106156430591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 41.

The spelling of 106156430591 in words is "one hundred six billion, one hundred fifty-six million, four hundred thirty thousand, five hundred ninety-one".