109643253112799 has 16 divisors (see below), whose sum is σ = 125345778458880. Its totient is φ = 93950532063360.

The previous prime is 109643253112781. The next prime is 109643253112819. The reversal of 109643253112799 is 997211352346901.

It is a de Polignac number, because none of the positive numbers 2^k-109643253112799 is a prime.

It is a super-2 number, since 2×109643253112799² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109643253612799) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409577504 + ... + 409845114.

It is an arithmetic number, because the mean of its divisors is an integer number (7834111153680).

Almost surely, 2^{109643253112799} is an apocalyptic number.

109643253112799 is a deficient number, since it is larger than the sum of its proper divisors (15702525346081).

109643253112799 is a wasteful number, since it uses less digits than its factorization.

109643253112799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285710.

The product of its (nonzero) digits is 22044960, while the sum is 62.

The spelling of 109643253112799 in words is "one hundred nine trillion, six hundred forty-three billion, two hundred fifty-three million, one hundred twelve thousand, seven hundred ninety-nine".