1353445103521 has 8 divisors (see below), whose sum is σ = 1550135216384. Its totient is φ = 1157590193760.

The previous prime is 1353445103497. The next prime is 1353445103533. The reversal of 1353445103521 is 1253015443531.

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

It is not a de Polignac number, because 1353445103521 - 2⁹ = 1353445103009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353445103581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 208797300 + ... + 208803781.

It is an arithmetic number, because the mean of its divisors is an integer number (193766902048).

Almost surely, 2^{1353445103521} is an apocalyptic number.

It is an amenable number.

1353445103521 is a deficient number, since it is larger than the sum of its proper divisors (196690112863).

1353445103521 is an equidigital number, since it uses as much as digits as its factorization.

1353445103521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417601551.

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 1353445103521 in words is "one trillion, three hundred fifty-three billion, four hundred forty-five million, one hundred three thousand, five hundred twenty-one".