57011512412220 has 48 divisors (see below), whose sum is σ = 159633588982560. Its totient is φ = 15202941002496.

The previous prime is 57011512412203. The next prime is 57011512412249. The reversal of 57011512412220 is 2221421511075.

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, 3208566 + ... + 11149794.

It is an arithmetic number, because the mean of its divisors is an integer number (3325699770470).

Almost surely, 2^{57011512412220} is an apocalyptic number.

It is an amenable number.

57011512412220 is an abundant number, since it is smaller than the sum of its proper divisors (102622076570340).

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

57011512412220 is a wasteful number, since it uses less digits than its factorization.

57011512412220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060894 (or 8060892 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 33.

Adding to 57011512412220 its reverse (2221421511075), we get a palindrome (59232933923295).

The spelling of 57011512412220 in words is "fifty-seven trillion, eleven billion, five hundred twelve million, four hundred twelve thousand, two hundred twenty".