13531154450 has 24 divisors (see below), whose sum is σ = 27455943600. Its totient is φ = 4920419600.

The previous prime is 13531154419. The next prime is 13531154467. The reversal of 13531154450 is 5445113531.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12300500 + ... + 12301599.

It is an arithmetic number, because the mean of its divisors is an integer number (1143997650).

Almost surely, 2^13531154450 is an apocalyptic number.

13531154450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531154450 is an abundant number, since it is smaller than the sum of its proper divisors (13924789150).

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

13531154450 is a wasteful number, since it uses less digits than its factorization.

13531154450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24602122 (or 24602117 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 13531154450 its reverse (5445113531), we get a palindrome (18976267981).

The spelling of 13531154450 in words is "thirteen billion, five hundred thirty-one million, one hundred fifty-four thousand, four hundred fifty".