1017858578002 has 16 divisors (see below), whose sum is σ = 1745412652800. Its totient is φ = 436097046528.

The previous prime is 1017858577999. The next prime is 1017858578041. The reversal of 1017858578002 is 2008758587101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10622127 + ... + 10717522.

It is an arithmetic number, because the mean of its divisors is an integer number (109088290800).

Almost surely, 2^{1017858578002} is an apocalyptic number.

1017858578002 is a deficient number, since it is larger than the sum of its proper divisors (727554074798).

1017858578002 is a wasteful number, since it uses less digits than its factorization.

1017858578002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21343065.

The product of its (nonzero) digits is 1254400, while the sum is 52.

Subtracting 1017858578002 from its reverse (2008758587101), we obtain a palindrome (990900009099).

The spelling of 1017858578002 in words is "one trillion, seventeen billion, eight hundred fifty-eight million, five hundred seventy-eight thousand, two".