1581063492063 has 8 divisors (see below), whose sum is σ = 2299728715776. Its totient is φ = 958220298200.

The previous prime is 1581063492037. The next prime is 1581063492097. The reversal of 1581063492063 is 3602943601851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1581063492063 - 2⁵ = 1581063492031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1581063494063) 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 7 ways as a sum of consecutive naturals, for example, 23955507423 + ... + 23955507488.

It is an arithmetic number, because the mean of its divisors is an integer number (287466089472).

Almost surely, 2^{1581063492063} is an apocalyptic number.

1581063492063 is a deficient number, since it is larger than the sum of its proper divisors (718665223713).

1581063492063 is a wasteful number, since it uses less digits than its factorization.

1581063492063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47911014925.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 1581063492063 in words is "one trillion, five hundred eighty-one billion, sixty-three million, four hundred ninety-two thousand, sixty-three".