109541019 has 48 divisors (see below), whose sum is σ = 179262720. Its totient is φ = 59209920.

The previous prime is 109541009. The next prime is 109541039. The reversal of 109541019 is 910145901.

It is not a de Polignac number, because 109541019 - 2⁷ = 109540891 is a prime.

It is a super-2 number, since 2×109541019² = 23998469687116722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109541009) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 605109 + ... + 605289.

It is an arithmetic number, because the mean of its divisors is an integer number (3734640).

Almost surely, 2^109541019 is an apocalyptic number.

109541019 is a deficient number, since it is larger than the sum of its proper divisors (69721701).

109541019 is a wasteful number, since it uses less digits than its factorization.

109541019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 30.

The square root of 109541019 is about 10466.1845483443. The cubic root of 109541019 is about 478.4746413101.

The spelling of 109541019 in words is "one hundred nine million, five hundred forty-one thousand, nineteen".