109391430550 has 24 divisors (see below), whose sum is σ = 208967201136. Its totient is φ = 42573961440.

The previous prime is 109391430481. The next prime is 109391430557. The reversal of 109391430550 is 55034193901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109391430557) 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 11 ways as a sum of consecutive naturals, for example, 29563402 + ... + 29567101.

It is an arithmetic number, because the mean of its divisors is an integer number (8706966714).

Almost surely, 2^109391430550 is an apocalyptic number.

109391430550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

109391430550 is a deficient number, since it is larger than the sum of its proper divisors (99575770586).

109391430550 is a wasteful number, since it uses less digits than its factorization.

109391430550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59130552 (or 59130547 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 40.

The spelling of 109391430550 in words is "one hundred nine billion, three hundred ninety-one million, four hundred thirty thousand, five hundred fifty".