109777554875 has 16 divisors (see below), whose sum is σ = 137025042336. Its totient is φ = 87807522400.

The previous prime is 109777554863. The next prime is 109777554881. The reversal of 109777554875 is 578455777901.

It is not a de Polignac number, because 109777554875 - 2¹⁴ = 109777538491 is a prime.

It is a super-2 number, since 2×109777554875² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 720929 + ... + 859821.

It is an arithmetic number, because the mean of its divisors is an integer number (8564065146).

Almost surely, 2^109777554875 is an apocalyptic number.

109777554875 is a deficient number, since it is larger than the sum of its proper divisors (27247487461).

109777554875 is an equidigital number, since it uses as much as digits as its factorization.

109777554875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145231 (or 145221 counting only the distinct ones).

The product of its (nonzero) digits is 86436000, while the sum is 65.

The spelling of 109777554875 in words is "one hundred nine billion, seven hundred seventy-seven million, five hundred fifty-four thousand, eight hundred seventy-five".