1035405504221 has 4 divisors (see below), whose sum is σ = 1129533277344. Its totient is φ = 941277731100.

The previous prime is 1035405504181. The next prime is 1035405504223. The reversal of 1035405504221 is 1224055045301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1035405504221 - 2⁶ = 1035405504157 is a prime.

It is a super-3 number, since 3×1035405504221³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1035405504223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47063886545 + ... + 47063886566.

It is an arithmetic number, because the mean of its divisors is an integer number (282383319336).

Almost surely, 2^{1035405504221} is an apocalyptic number.

1035405504221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1035405504221 is a deficient number, since it is larger than the sum of its proper divisors (94127773123).

1035405504221 is an equidigital number, since it uses as much as digits as its factorization.

1035405504221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94127773122.

The product of its (nonzero) digits is 24000, while the sum is 32.

The spelling of 1035405504221 in words is "one trillion, thirty-five billion, four hundred five million, five hundred four thousand, two hundred twenty-one".