64155824107 has 2 divisors, whose sum is σ = 64155824108. Its totient is φ = 64155824106.

The previous prime is 64155824069. The next prime is 64155824123. The reversal of 64155824107 is 70142855146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64155824107 is a prime.

It is not a weakly prime, because it can be changed into another prime (64155834107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32077912053 + 32077912054.

It is an arithmetic number, because the mean of its divisors is an integer number (32077912054).

Almost surely, 2^64155824107 is an apocalyptic number.

64155824107 is a deficient number, since it is larger than the sum of its proper divisors (1).

64155824107 is an equidigital number, since it uses as much as digits as its factorization.

64155824107 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 64155824107 in words is "sixty-four billion, one hundred fifty-five million, eight hundred twenty-four thousand, one hundred seven".