109801791 has 16 divisors (see below), whose sum is σ = 177457920. Its totient is φ = 66546360.

The previous prime is 109801781. The next prime is 109801819. The reversal of 109801791 is 197108901.

It is not a de Polignac number, because 109801791 - 2⁷ = 109801663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109801751) 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, 184555 + ... + 185148.

It is an arithmetic number, because the mean of its divisors is an integer number (11091120).

Almost surely, 2^109801791 is an apocalyptic number.

109801791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

109801791 is a deficient number, since it is larger than the sum of its proper divisors (67656129).

109801791 is a wasteful number, since it uses less digits than its factorization.

109801791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369723 (or 369717 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 109801791 is about 10478.6349778967. The cubic root of 109801791 is about 478.8540240296.

It can be divided in two parts, 109801 and 791, that added together give a cube (110592 = 48³).

The spelling of 109801791 in words is "one hundred nine million, eight hundred one thousand, seven hundred ninety-one".