109201891407 has 16 divisors (see below), whose sum is σ = 176191287552. Its totient is φ = 58730428800.

The previous prime is 109201891391. The next prime is 109201891457. The reversal of 109201891407 is 704198102901.

It is not a de Polignac number, because 109201891407 - 2⁴ = 109201891391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109201891457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152943469 + ... + 152944182.

It is an arithmetic number, because the mean of its divisors is an integer number (11011955472).

Almost surely, 2^109201891407 is an apocalyptic number.

109201891407 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

109201891407 is a deficient number, since it is larger than the sum of its proper divisors (66989396145).

109201891407 is a wasteful number, since it uses less digits than its factorization.

109201891407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305887678.

The product of its (nonzero) digits is 36288, while the sum is 42.

The spelling of 109201891407 in words is "one hundred nine billion, two hundred one million, eight hundred ninety-one thousand, four hundred seven".