10861645729876 has 12 divisors (see below), whose sum is σ = 19017248144020. Its totient is φ = 5428146260160.

The previous prime is 10861645729807. The next prime is 10861645729897. The reversal of 10861645729876 is 67892754616801.

It can be written as a sum of positive squares in 2 ways, for example, as 6767417233476 + 4094228496400 = 2601426^2 + 2023420^2 .

It is a super-2 number, since 2×10861645729876² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 669142065 + ... + 669158296.

Almost surely, 2^{10861645729876} is an apocalyptic number.

It is an amenable number.

10861645729876 is a deficient number, since it is larger than the sum of its proper divisors (8155602414144).

10861645729876 is a wasteful number, since it uses less digits than its factorization.

10861645729876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338302394 (or 1338302392 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 70.

The spelling of 10861645729876 in words is "ten trillion, eight hundred sixty-one billion, six hundred forty-five million, seven hundred twenty-nine thousand, eight hundred seventy-six".