1557889045496 has 32 divisors (see below), whose sum is σ = 3534706239840. Its totient is φ = 628392219648.

The previous prime is 1557889045481. The next prime is 1557889045511. The reversal of 1557889045496 is 6945409887551.

It is an interprime number because it is at equal distance from previous prime (1557889045481) and next prime (1557889045511).

It is a congruent number.

It is an unprimeable number.

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, 818218085 + ... + 818219988.

It is an arithmetic number, because the mean of its divisors is an integer number (110459569995).

Almost surely, 2^{1557889045496} is an apocalyptic number.

It is an amenable number.

1557889045496 is an abundant number, since it is smaller than the sum of its proper divisors (1976817194344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1557889045496 is a wasteful number, since it uses less digits than its factorization.

1557889045496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1636438103 (or 1636438099 counting only the distinct ones).

The product of its (nonzero) digits is 435456000, while the sum is 71.

The spelling of 1557889045496 in words is "one trillion, five hundred fifty-seven billion, eight hundred eighty-nine million, forty-five thousand, four hundred ninety-six".