13525154550 has 48 divisors (see below), whose sum is σ = 37269318480. Its totient is φ = 3606707520.

The previous prime is 13525154549. The next prime is 13525154563. The reversal of 13525154550 is 5545152531.

13525154550 is a `hidden beast` number, since 1 + 3 + 5 + 2 + 51 + 54 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 5007967 + ... + 5010666.

It is an arithmetic number, because the mean of its divisors is an integer number (776444135).

Almost surely, 2^13525154550 is an apocalyptic number.

13525154550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13525154550 is an abundant number, since it is smaller than the sum of its proper divisors (23744163930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13525154550 is a wasteful number, since it uses less digits than its factorization.

13525154550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10018654 (or 10018643 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 13525154550 in words is "thirteen billion, five hundred twenty-five million, one hundred fifty-four thousand, five hundred fifty".