109651215059 has 4 divisors (see below), whose sum is σ = 114418659216. Its totient is φ = 104883770904.

The previous prime is 109651215053. The next prime is 109651215067. The reversal of 109651215059 is 950512156901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 950512156901 = 1051 ⋅904388351.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109651215059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109651215053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383722044 + ... + 2383722089.

It is an arithmetic number, because the mean of its divisors is an integer number (28604664804).

Almost surely, 2^109651215059 is an apocalyptic number.

109651215059 is a deficient number, since it is larger than the sum of its proper divisors (4767444157).

109651215059 is an equidigital number, since it uses as much as digits as its factorization.

109651215059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767444156.

The product of its (nonzero) digits is 121500, while the sum is 44.

The spelling of 109651215059 in words is "one hundred nine billion, six hundred fifty-one million, two hundred fifteen thousand, fifty-nine".