13109955071 has 4 divisors (see below), whose sum is σ = 13182385944. Its totient is φ = 13037524200.

The previous prime is 13109955049. The next prime is 13109955073. The reversal of 13109955071 is 17055990131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13109955071 - 2⁶ = 13109955007 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 (13109955073) 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, 36215165 + ... + 36215526.

It is an arithmetic number, because the mean of its divisors is an integer number (3295596486).

Almost surely, 2^13109955071 is an apocalyptic number.

13109955071 is a deficient number, since it is larger than the sum of its proper divisors (72430873).

13109955071 is an equidigital number, since it uses as much as digits as its factorization.

13109955071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72430872.

The product of its (nonzero) digits is 42525, while the sum is 41.

The spelling of 13109955071 in words is "thirteen billion, one hundred nine million, nine hundred fifty-five thousand, seventy-one".