13523451075 has 36 divisors (see below), whose sum is σ = 24528643360. Its totient is φ = 7121200320.

The previous prime is 13523451061. The next prime is 13523451079. The reversal of 13523451075 is 57015432531.

13523451075 is a `hidden beast` number, since 13 + 523 + 4 + 51 + 0 + 75 = 666.

It is not a de Polignac number, because 13523451075 - 2¹⁷ = 13523320003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13523451079) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 362632 + ... + 398181.

Almost surely, 2^13523451075 is an apocalyptic number.

13523451075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13523451075 is a deficient number, since it is larger than the sum of its proper divisors (11005192285).

13523451075 is a wasteful number, since it uses less digits than its factorization.

13523451075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760908 (or 760900 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 13523451075 in words is "thirteen billion, five hundred twenty-three million, four hundred fifty-one thousand, seventy-five".