109758892655 has 4 divisors (see below), whose sum is σ = 131710671192. Its totient is φ = 87807114120.

The previous prime is 109758892631. The next prime is 109758892657. The reversal of 109758892655 is 556298857901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556298857901 = 129281 ⋅4303021.

It is not a de Polignac number, because 109758892655 - 2¹⁸ = 109758630511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109758892591 and 109758892600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109758892657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10975889261 + ... + 10975889270.

It is an arithmetic number, because the mean of its divisors is an integer number (32927667798).

Almost surely, 2^109758892655 is an apocalyptic number.

109758892655 is a deficient number, since it is larger than the sum of its proper divisors (21951778537).

109758892655 is an equidigital number, since it uses as much as digits as its factorization.

109758892655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21951778536.

The product of its (nonzero) digits is 54432000, while the sum is 65.

The spelling of 109758892655 in words is "one hundred nine billion, seven hundred fifty-eight million, eight hundred ninety-two thousand, six hundred fifty-five".