1053530504521 has 8 divisors (see below), whose sum is σ = 1149313624704. Its totient is φ = 957748654320.

The previous prime is 1053530504519. The next prime is 1053530504527. The reversal of 1053530504521 is 1254050353501.

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 1053530504521 - 2¹ = 1053530504519 is a prime.

It is a super-2 number, since 2×1053530504521² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053530504527) 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, 2518491 + ... + 2906863.

It is an arithmetic number, because the mean of its divisors is an integer number (143664203088).

Almost surely, 2^{1053530504521} is an apocalyptic number.

1053530504521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1053530504521 is a deficient number, since it is larger than the sum of its proper divisors (95783120183).

1053530504521 is a wasteful number, since it uses less digits than its factorization.

1053530504521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634991.

The product of its (nonzero) digits is 45000, while the sum is 34.

The spelling of 1053530504521 in words is "one trillion, fifty-three billion, five hundred thirty million, five hundred four thousand, five hundred twenty-one".