109861011 has 12 divisors (see below), whose sum is σ = 170895088. Its totient is φ = 67606704.

The previous prime is 109860967. The next prime is 109861093. The reversal of 109861011 is 110168901.

It is not a de Polignac number, because 109861011 - 2¹¹ = 109858963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109861111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 469375 + ... + 469608.

Almost surely, 2^109861011 is an apocalyptic number.

109861011 is a deficient number, since it is larger than the sum of its proper divisors (61034077).

109861011 is a wasteful number, since it uses less digits than its factorization.

109861011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939002 (or 938999 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 27.

The square root of 109861011 is about 10481.4603467265. The cubic root of 109861011 is about 478.9400962101.

The spelling of 109861011 in words is "one hundred nine million, eight hundred sixty-one thousand, eleven".