13525525455 has 48 divisors (see below), whose sum is σ = 23477260320. Its totient is φ = 6646308864.

The previous prime is 13525525451. The next prime is 13525525469. The reversal of 13525525455 is 55452552531.

It is not a de Polignac number, because 13525525455 - 2² = 13525525451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13525525451) 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 47 ways as a sum of consecutive naturals, for example, 1437727 + ... + 1447103.

It is an arithmetic number, because the mean of its divisors is an integer number (489109590).

Almost surely, 2^13525525455 is an apocalyptic number.

13525525455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13525525455 is a deficient number, since it is larger than the sum of its proper divisors (9951734865).

13525525455 is a wasteful number, since it uses less digits than its factorization.

13525525455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9980 (or 9967 counting only the distinct ones).

The product of its digits is 750000, while the sum is 42.

The spelling of 13525525455 in words is "thirteen billion, five hundred twenty-five million, five hundred twenty-five thousand, four hundred fifty-five".