1557063100120 has 64 divisors (see below), whose sum is σ = 4023033868800. Its totient is φ = 536404510080.

The previous prime is 1557063100079. The next prime is 1557063100181. The reversal of 1557063100120 is 210013607551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93117424 + ... + 93134143.

It is an arithmetic number, because the mean of its divisors is an integer number (62859904200).

Almost surely, 2^{1557063100120} is an apocalyptic number.

1557063100120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1557063100120 is an abundant number, since it is smaller than the sum of its proper divisors (2465970768680).

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

1557063100120 is a wasteful number, since it uses less digits than its factorization.

1557063100120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186251608 (or 186251604 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 31.

Adding to 1557063100120 its reverse (210013607551), we get a palindrome (1767076707671).

The spelling of 1557063100120 in words is "one trillion, five hundred fifty-seven billion, sixty-three million, one hundred thousand, one hundred twenty".