57157120000 has 260 divisors, whose sum is σ = 145087838280. Its totient is φ = 22503424000.

The previous prime is 57157119919. The next prime is 57157120003. The reversal of 57157120000 is 2175175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57157120003) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 212479866 + ... + 212480134.

Almost surely, 2^57157120000 is an apocalyptic number.

57157120000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57157120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72543919140).

57157120000 is an abundant number, since it is smaller than the sum of its proper divisors (87930718280).

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

57157120000 is an frugal number, since it uses more digits than its factorization.

57157120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 2450, while the sum is 28.

Adding to 57157120000 its reverse (2175175), we get a palindrome (57159295175).

The spelling of 57157120000 in words is "fifty-seven billion, one hundred fifty-seven million, one hundred twenty thousand".