109002009551 has 4 divisors (see below), whose sum is σ = 109085794104. Its totient is φ = 108918225000.

The previous prime is 109002009547. The next prime is 109002009577. The reversal of 109002009551 is 155900200901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 155900200901 = 17 ⋅9170600053.

It is a cyclic number.

It is not a de Polignac number, because 109002009551 - 2² = 109002009547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109002005551) 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, 41890325 + ... + 41892926.

It is an arithmetic number, because the mean of its divisors is an integer number (27271448526).

Almost surely, 2^109002009551 is an apocalyptic number.

109002009551 is a deficient number, since it is larger than the sum of its proper divisors (83784553).

109002009551 is an equidigital number, since it uses as much as digits as its factorization.

109002009551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83784552.

The product of its (nonzero) digits is 4050, while the sum is 32.

The spelling of 109002009551 in words is "one hundred nine billion, two million, nine thousand, five hundred fifty-one".