10685501578734 has 64 divisors (see below), whose sum is σ = 22403279738880. Its totient is φ = 3393740880000.

The previous prime is 10685501578733. The next prime is 10685501578813. The reversal of 10685501578734 is 43787510558601.

It is a super-2 number, since 2×10685501578734² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10685501578733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1773864 + ... + 4951524.

It is an arithmetic number, because the mean of its divisors is an integer number (350051245920).

Almost surely, 2^{10685501578734} is an apocalyptic number.

10685501578734 is an abundant number, since it is smaller than the sum of its proper divisors (11717778160146).

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

10685501578734 is a wasteful number, since it uses less digits than its factorization.

10685501578734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177977.

The product of its (nonzero) digits is 28224000, while the sum is 60.

The spelling of 10685501578734 in words is "ten trillion, six hundred eighty-five billion, five hundred one million, five hundred seventy-eight thousand, seven hundred thirty-four".