10786440721564 has 12 divisors (see below), whose sum is σ = 18876730681984. Its totient is φ = 5393089098144.

The previous prime is 10786440721471. The next prime is 10786440721571. The reversal of 10786440721564 is 46512704468701.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32630652 + ... + 32959555.

Almost surely, 2^{10786440721564} is an apocalyptic number.

It is an amenable number.

10786440721564 is a deficient number, since it is larger than the sum of its proper divisors (8090289960420).

10786440721564 is a wasteful number, since it uses less digits than its factorization.

10786440721564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65631324 (or 65631322 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 55.

The spelling of 10786440721564 in words is "ten trillion, seven hundred eighty-six billion, four hundred forty million, seven hundred twenty-one thousand, five hundred sixty-four".