109685291152 has 20 divisors (see below), whose sum is σ = 213743668860. Its totient is φ = 54525634688.

The previous prime is 109685291143. The next prime is 109685291171. The reversal of 109685291152 is 251192586901.

It can be written as a sum of positive squares in 2 ways, for example, as 58881934336 + 50803356816 = 242656^2 + 225396^2 .

It is a junction number, because it is equal to n+sod(n) for n = 109685291096 and 109685291105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19810327 + ... + 19815862.

It is an arithmetic number, because the mean of its divisors is an integer number (10687183443).

Almost surely, 2^109685291152 is an apocalyptic number.

It is an amenable number.

109685291152 is a deficient number, since it is larger than the sum of its proper divisors (104058377708).

109685291152 is a wasteful number, since it uses less digits than its factorization.

109685291152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39626370 (or 39626364 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 49.

The spelling of 109685291152 in words is "one hundred nine billion, six hundred eighty-five million, two hundred ninety-one thousand, one hundred fifty-two".