109299677521 has 2 divisors, whose sum is σ = 109299677522. Its totient is φ = 109299677520.

The previous prime is 109299677497. The next prime is 109299677563. The reversal of 109299677521 is 125776992901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105682857921 + 3616819600 = 325089^2 + 60140^2 .

It is a cyclic number.

It is not a de Polignac number, because 109299677521 - 2⁵ = 109299677489 is a prime.

It is not a weakly prime, because it can be changed into another prime (109299675521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54649838760 + 54649838761.

It is an arithmetic number, because the mean of its divisors is an integer number (54649838761).

Almost surely, 2^109299677521 is an apocalyptic number.

It is an amenable number.

109299677521 is a deficient number, since it is larger than the sum of its proper divisors (1).

109299677521 is an equidigital number, since it uses as much as digits as its factorization.

109299677521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4286520, while the sum is 58.

The spelling of 109299677521 in words is "one hundred nine billion, two hundred ninety-nine million, six hundred seventy-seven thousand, five hundred twenty-one".