109280143854 has 24 divisors (see below), whose sum is σ = 270598451760. Its totient is φ = 31222898208.

The previous prime is 109280143849. The next prime is 109280143879. The reversal of 109280143854 is 458341082901.

109280143854 is a `hidden beast` number, since 1 + 0 + 92 + 80 + 1 + 438 + 54 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433651239 + ... + 433651490.

It is an arithmetic number, because the mean of its divisors is an integer number (11274935490).

Almost surely, 2^109280143854 is an apocalyptic number.

109280143854 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

109280143854 is an abundant number, since it is smaller than the sum of its proper divisors (161318307906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109280143854 is a wasteful number, since it uses less digits than its factorization.

109280143854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867302744 (or 867302741 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 109280143854 in words is "one hundred nine billion, two hundred eighty million, one hundred forty-three thousand, eight hundred fifty-four".