13531001551 has 8 divisors (see below), whose sum is σ = 14030127104. Its totient is φ = 13035791160.

The previous prime is 13531001521. The next prime is 13531001593. The reversal of 13531001551 is 15510013531.

It is a happy number.

13531001551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13531001551 - 2⁷ = 13531001423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531001521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 971751 + ... + 985576.

It is an arithmetic number, because the mean of its divisors is an integer number (1753765888).

Almost surely, 2^13531001551 is an apocalyptic number.

13531001551 is a deficient number, since it is larger than the sum of its proper divisors (499125553).

13531001551 is a wasteful number, since it uses less digits than its factorization.

13531001551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1957581.

The product of its (nonzero) digits is 1125, while the sum is 25.

The spelling of 13531001551 in words is "thirteen billion, five hundred thirty-one million, one thousand, five hundred fifty-one".