109159786197 has 48 divisors (see below), whose sum is σ = 201153858048. Its totient is φ = 55387614240.

The previous prime is 109159786189. The next prime is 109159786199. The reversal of 109159786197 is 791687951901.

It is a happy number.

109159786197 is a `hidden beast` number, since 1 + 0 + 9 + 1 + 5 + 9 + 7 + 8 + 619 + 7 = 666.

It is not a de Polignac number, because 109159786197 - 2³ = 109159786189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109159786199) 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, 1801803 + ... + 1861400.

It is an arithmetic number, because the mean of its divisors is an integer number (4190705376).

Almost surely, 2^109159786197 is an apocalyptic number.

It is an amenable number.

109159786197 is a deficient number, since it is larger than the sum of its proper divisors (91994071851).

109159786197 is a wasteful number, since it uses less digits than its factorization.

109159786197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3663270 (or 3663267 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 63.

The spelling of 109159786197 in words is "one hundred nine billion, one hundred fifty-nine million, seven hundred eighty-six thousand, one hundred ninety-seven".