1557901140219 has 12 divisors (see below), whose sum is σ = 2263309173216. Its totient is φ = 1032597286512.

The previous prime is 1557901140193. The next prime is 1557901140223. The reversal of 1557901140219 is 9120411097551.

1557901140219 is a `hidden beast` number, since 1 + 5 + 579 + 0 + 11 + 40 + 21 + 9 = 666.

It is not a de Polignac number, because 1557901140219 - 2²⁴ = 1557884363003 is a prime.

It is a super-3 number, since 3×1557901140219³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1557901140259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 500287827 + ... + 500290940.

It is an arithmetic number, because the mean of its divisors is an integer number (188609097768).

Almost surely, 2^{1557901140219} is an apocalyptic number.

1557901140219 is a deficient number, since it is larger than the sum of its proper divisors (705408032997).

1557901140219 is a wasteful number, since it uses less digits than its factorization.

1557901140219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000578946 (or 1000578943 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 45.

The spelling of 1557901140219 in words is "one trillion, five hundred fifty-seven billion, nine hundred one million, one hundred forty thousand, two hundred nineteen".