1552506220405 has 8 divisors (see below), whose sum is σ = 2129151388032. Its totient is φ = 1064575693968.

The previous prime is 1552506220351. The next prime is 1552506220501. The reversal of 1552506220405 is 5040226052551.

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 1552506220405 - 2³⁷ = 1415067266933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22178660257 + ... + 22178660326.

It is an arithmetic number, because the mean of its divisors is an integer number (266143923504).

Almost surely, 2^{1552506220405} is an apocalyptic number.

It is an amenable number.

1552506220405 is a deficient number, since it is larger than the sum of its proper divisors (576645167627).

1552506220405 is an equidigital number, since it uses as much as digits as its factorization.

1552506220405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44357320595.

The product of its (nonzero) digits is 120000, while the sum is 37.

The spelling of 1552506220405 in words is "one trillion, five hundred fifty-two billion, five hundred six million, two hundred twenty thousand, four hundred five".