57072222220512 has 48 divisors (see below), whose sum is σ = 149817175255440. Its totient is φ = 19023744940032.

The previous prime is 57072222220499. The next prime is 57072222220529. The reversal of 57072222220512 is 21502222227075.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466738 + ... + 10694030.

It is an arithmetic number, because the mean of its divisors is an integer number (3121191151155).

Almost surely, 2^{57072222220512} is an apocalyptic number.

It is an amenable number.

57072222220512 is an abundant number, since it is smaller than the sum of its proper divisors (92744953034928).

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

57072222220512 is a wasteful number, since it uses less digits than its factorization.

57072222220512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10285435 (or 10285427 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

Adding to 57072222220512 its reverse (21502222227075), we get a palindrome (78574444447587).

The spelling of 57072222220512 in words is "fifty-seven trillion, seventy-two billion, two hundred twenty-two million, two hundred twenty thousand, five hundred twelve".