1057349205858 has 32 divisors (see below), whose sum is σ = 2356027637760. Its totient is φ = 313591639760.

The previous prime is 1057349205821. The next prime is 1057349205923. The reversal of 1057349205858 is 8585029437501.

It is a super-2 number, since 2×1057349205858² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057349205798 and 1057349205807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170427138 + ... + 170433341.

It is an arithmetic number, because the mean of its divisors is an integer number (73625863680).

Almost surely, 2^{1057349205858} is an apocalyptic number.

1057349205858 is an abundant number, since it is smaller than the sum of its proper divisors (1298678431902).

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

1057349205858 is a wasteful number, since it uses less digits than its factorization.

1057349205858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340860542.

The product of its (nonzero) digits is 12096000, while the sum is 57.

The spelling of 1057349205858 in words is "one trillion, fifty-seven billion, three hundred forty-nine million, two hundred five thousand, eight hundred fifty-eight".