57153586721268 has 24 divisors (see below), whose sum is σ = 133362223939168. Its totient is φ = 19050644870496.

The previous prime is 57153586721261. The next prime is 57153586721311. The reversal of 57153586721268 is 86212768535175.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 57153586721199 and 57153586721208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57153586721261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68405371 + ... + 69235842.

Almost surely, 2^{57153586721268} is an apocalyptic number.

It is an amenable number.

57153586721268 is an abundant number, since it is smaller than the sum of its proper divisors (76208637217900).

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

57153586721268 is a wasteful number, since it uses less digits than its factorization.

57153586721268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137675823 (or 137675821 counting only the distinct ones).

The product of its digits is 169344000, while the sum is 66.

The spelling of 57153586721268 in words is "fifty-seven trillion, one hundred fifty-three billion, five hundred eighty-six million, seven hundred twenty-one thousand, two hundred sixty-eight".