1057185043858 has 8 divisors (see below), whose sum is σ = 1585782793728. Its totient is φ = 528590779284.

The previous prime is 1057185043847. The next prime is 1057185043879. The reversal of 1057185043858 is 8583405817501.

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

It is a super-2 number, since 2×1057185043858² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057185043799 and 1057185043808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106435 + ... + 1457977.

It is an arithmetic number, because the mean of its divisors is an integer number (198222849216).

Almost surely, 2^{1057185043858} is an apocalyptic number.

1057185043858 is a deficient number, since it is larger than the sum of its proper divisors (528597749870).

1057185043858 is a wasteful number, since it uses less digits than its factorization.

1057185043858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742648.

The product of its (nonzero) digits is 5376000, while the sum is 55.

The spelling of 1057185043858 in words is "one trillion, fifty-seven billion, one hundred eighty-five million, forty-three thousand, eight hundred fifty-eight".