13661095075 has 12 divisors (see below), whose sum is σ = 16950032440. Its totient is φ = 10922247360.

The previous prime is 13661095069. The next prime is 13661095079. The reversal of 13661095075 is 57059016631.

It is a happy number.

It is not a de Polignac number, because 13661095075 - 2⁷ = 13661094947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13661095079) 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, 123465 + ... + 206314.

Almost surely, 2^13661095075 is an apocalyptic number.

13661095075 is a deficient number, since it is larger than the sum of its proper divisors (3288937365).

13661095075 is a wasteful number, since it uses less digits than its factorization.

13661095075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331446 (or 331441 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The spelling of 13661095075 in words is "thirteen billion, six hundred sixty-one million, ninety-five thousand, seventy-five".