106520521705054 has 4 divisors (see below), whose sum is σ = 159780782557584. Its totient is φ = 53260260852526.

The previous prime is 106520521705051. The next prime is 106520521705153. The reversal of 106520521705054 is 450507125025601.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×106520521705054² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 106520521705054.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (106520521705051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26630130426262 + ... + 26630130426265.

It is an arithmetic number, because the mean of its divisors is an integer number (39945195639396).

Almost surely, 2^{106520521705054} is an apocalyptic number.

106520521705054 is a deficient number, since it is larger than the sum of its proper divisors (53260260852530).

106520521705054 is an equidigital number, since it uses as much as digits as its factorization.

106520521705054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53260260852529.

The product of its (nonzero) digits is 420000, while the sum is 43.

The spelling of 106520521705054 in words is "one hundred six trillion, five hundred twenty billion, five hundred twenty-one million, seven hundred five thousand, fifty-four".