13521546061 has 32 divisors (see below), whose sum is σ = 15422918400. Its totient is φ = 11785213440.

The previous prime is 13521546007. The next prime is 13521546121. The reversal of 13521546061 is 16064512531.

It is a cyclic number.

It is not a de Polignac number, because 13521546061 - 2²¹ = 13519448909 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 (13521546161) 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 31 ways as a sum of consecutive naturals, for example, 3559215 + ... + 3563011.

It is an arithmetic number, because the mean of its divisors is an integer number (481966200).

Almost surely, 2^13521546061 is an apocalyptic number.

It is an amenable number.

13521546061 is a deficient number, since it is larger than the sum of its proper divisors (1901372339).

13521546061 is a wasteful number, since it uses less digits than its factorization.

13521546061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 13521546061 in words is "thirteen billion, five hundred twenty-one million, five hundred forty-six thousand, sixty-one".