64123560105002 has 8 divisors (see below), whose sum is σ = 96228647386212. Its totient is φ = 32047344309600.

The previous prime is 64123560104993. The next prime is 64123560105019. The reversal of 64123560105002 is 20050106532146.

It can be written as a sum of positive squares in 2 ways, for example, as 63122881990081 + 1000678114921 = 7944991^2 + 1000339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×64123560105002² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7217865899 + ... + 7217874782.

Almost surely, 2^{64123560105002} is an apocalyptic number.

64123560105002 is a deficient number, since it is larger than the sum of its proper divisors (32105087281210).

64123560105002 is a wasteful number, since it uses less digits than its factorization.

64123560105002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14435742904.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 64123560105002 its reverse (20050106532146), we get a palindrome (84173666637148).

The spelling of 64123560105002 in words is "sixty-four trillion, one hundred twenty-three billion, five hundred sixty million, one hundred five thousand, two".