1057205078354 has 8 divisors (see below), whose sum is σ = 1586027676288. Its totient is φ = 528529186260.

The previous prime is 1057205078299. The next prime is 1057205078383. The reversal of 1057205078354 is 4538705027501.

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

It is a super-2 number, since 2×1057205078354² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057205078299 and 1057205078308.

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, 36658442 + ... + 36687269.

It is an arithmetic number, because the mean of its divisors is an integer number (198253459536).

Almost surely, 2^{1057205078354} is an apocalyptic number.

1057205078354 is a deficient number, since it is larger than the sum of its proper divisors (528822597934).

1057205078354 is an equidigital number, since it uses as much as digits as its factorization.

1057205078354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73352920.

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 1057205078354 in words is "one trillion, fifty-seven billion, two hundred five million, seventy-eight thousand, three hundred fifty-four".