3521656111103 has 64 divisors (see below), whose sum is σ = 4113170073600. Its totient is φ = 2987902494720.

The previous prime is 3521656111091. The next prime is 3521656111117. The reversal of 3521656111103 is 3011116561253.

It is not a de Polignac number, because 3521656111103 - 2²² = 3521651916799 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 (3521656111123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 566088533 + ... + 566094753.

It is an arithmetic number, because the mean of its divisors is an integer number (64268282400).

Almost surely, 2^{3521656111103} is an apocalyptic number.

3521656111103 is a deficient number, since it is larger than the sum of its proper divisors (591513962497).

3521656111103 is a wasteful number, since it uses less digits than its factorization.

3521656111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6832.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 3521656111103 in words is "three trillion, five hundred twenty-one billion, six hundred fifty-six million, one hundred eleven thousand, one hundred three".