1552046643401 has 4 divisors (see below), whose sum is σ = 1552049843652. Its totient is φ = 1552043443152.

The previous prime is 1552046643391. The next prime is 1552046643457. The reversal of 1552046643401 is 1043466402551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 334777960000 + 1217268683401 = 578600^2 + 1103299^2 .

It is a cyclic number.

It is not a de Polignac number, because 1552046643401 - 2⁶ = 1552046643337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1552046693401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706190 + ... + 1898103.

It is an arithmetic number, because the mean of its divisors is an integer number (388012460913).

Almost surely, 2^{1552046643401} is an apocalyptic number.

It is an amenable number.

1552046643401 is a deficient number, since it is larger than the sum of its proper divisors (3200251).

1552046643401 is an equidigital number, since it uses as much as digits as its factorization.

1552046643401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3200250.

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 1552046643401 in words is "one trillion, five hundred fifty-two billion, forty-six million, six hundred forty-three thousand, four hundred one".