57145506212 has 24 divisors (see below), whose sum is σ = 101168739840. Its totient is φ = 28242059040.

The previous prime is 57145506193. The next prime is 57145506227. The reversal of 57145506212 is 21260554175.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118262 + ... + 358157.

It is an arithmetic number, because the mean of its divisors is an integer number (4215364160).

Almost surely, 2^57145506212 is an apocalyptic number.

It is an amenable number.

57145506212 is a deficient number, since it is larger than the sum of its proper divisors (44023233628).

57145506212 is a wasteful number, since it uses less digits than its factorization.

57145506212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476771 (or 476769 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 38.

The spelling of 57145506212 in words is "fifty-seven billion, one hundred forty-five million, five hundred six thousand, two hundred twelve".