1352555006621 has 16 divisors (see below), whose sum is σ = 1762605621504. Its totient is φ = 1007203209984.

The previous prime is 1352555006567. The next prime is 1352555006639. The reversal of 1352555006621 is 1266005552531.

It is a cyclic number.

It is not a de Polignac number, because 1352555006621 - 2²² = 1352550812317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1352555006681) 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 15 ways as a sum of consecutive naturals, for example, 437152625 + ... + 437155718.

It is an arithmetic number, because the mean of its divisors is an integer number (110162851344).

Almost surely, 2^{1352555006621} is an apocalyptic number.

It is an amenable number.

1352555006621 is a deficient number, since it is larger than the sum of its proper divisors (410050614883).

1352555006621 is a wasteful number, since it uses less digits than its factorization.

1352555006621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 874308380.

The product of its (nonzero) digits is 270000, while the sum is 41.

The spelling of 1352555006621 in words is "one trillion, three hundred fifty-two billion, five hundred fifty-five million, six thousand, six hundred twenty-one".