57857051011 has 8 divisors (see below), whose sum is σ = 60480977184. Its totient is φ = 55242158400.

The previous prime is 57857051009. The next prime is 57857051029. The reversal of 57857051011 is 11015075875.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57857051011 - 2¹ = 57857051009 is a prime.

It is a super-2 number, since 2×57857051011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57857051041) 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, 2245290 + ... + 2270911.

It is an arithmetic number, because the mean of its divisors is an integer number (7560122148).

Almost surely, 2^57857051011 is an apocalyptic number.

57857051011 is a deficient number, since it is larger than the sum of its proper divisors (2623926173).

57857051011 is a wasteful number, since it uses less digits than its factorization.

57857051011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4516781.

The product of its (nonzero) digits is 49000, while the sum is 40.

The spelling of 57857051011 in words is "fifty-seven billion, eight hundred fifty-seven million, fifty-one thousand, eleven".