13523555402055 has 48 divisors (see below), whose sum is σ = 23632130995200. Its totient is φ = 7153887432384.

The previous prime is 13523555402051. The next prime is 13523555402107. The reversal of 13523555402055 is 55020455532531.

It is a happy number.

13523555402055 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 3 + 55 + 540 + 2 + 0 + 55 = 666.

It is not a de Polignac number, because 13523555402055 - 2² = 13523555402051 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13523555402055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13523555402051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1536096 + ... + 5422794.

It is an arithmetic number, because the mean of its divisors is an integer number (492336062400).

Almost surely, 2^{13523555402055} is an apocalyptic number.

13523555402055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13523555402055 is a deficient number, since it is larger than the sum of its proper divisors (10108575593145).

13523555402055 is a wasteful number, since it uses less digits than its factorization.

13523555402055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887340 (or 3887337 counting only the distinct ones).

The product of its (nonzero) digits is 2250000, while the sum is 45.

The spelling of 13523555402055 in words is "thirteen trillion, five hundred twenty-three billion, five hundred fifty-five million, four hundred two thousand, fifty-five".