109099757661 has 8 divisors (see below), whose sum is σ = 150482424480. Its totient is φ = 70225131312.

The previous prime is 109099757623. The next prime is 109099757699. The reversal of 109099757661 is 166757990901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109099757623) and next prime (109099757699).

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

It is not a de Polignac number, because 109099757661 - 2¹¹ = 109099755613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 109099757595 and 109099757604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109099753661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627010015 + ... + 627010188.

It is an arithmetic number, because the mean of its divisors is an integer number (18810303060).

Almost surely, 2^109099757661 is an apocalyptic number.

It is an amenable number.

109099757661 is a deficient number, since it is larger than the sum of its proper divisors (41382666819).

109099757661 is a wasteful number, since it uses less digits than its factorization.

109099757661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254020235.

The product of its (nonzero) digits is 6429780, while the sum is 60.

The spelling of 109099757661 in words is "one hundred nine billion, ninety-nine million, seven hundred fifty-seven thousand, six hundred sixty-one".