106120550545991 has 2 divisors, whose sum is σ = 106120550545992. Its totient is φ = 106120550545990.

The previous prime is 106120550545931. The next prime is 106120550546189. The reversal of 106120550545991 is 199545055021601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 106120550545991 - 2²⁶ = 106120483437127 is a prime.

It is a super-2 number, since 2×106120550545991² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106120550545931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53060275272995 + 53060275272996.

It is an arithmetic number, because the mean of its divisors is an integer number (53060275272996).

Almost surely, 2^{106120550545991} is an apocalyptic number.

106120550545991 is a deficient number, since it is larger than the sum of its proper divisors (1).

106120550545991 is an equidigital number, since it uses as much as digits as its factorization.

106120550545991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430000, while the sum is 53.

The spelling of 106120550545991 in words is "one hundred six trillion, one hundred twenty billion, five hundred fifty million, five hundred forty-five thousand, nine hundred ninety-one".