10978615680 has 64 divisors (see below), whose sum is σ = 34994343600. Its totient is φ = 2927630336.

The previous prime is 10978615607. The next prime is 10978615709. The reversal of 10978615680 is 8651687901.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2857095 + ... + 2860934.

Almost surely, 2^10978615680 is an apocalyptic number.

10978615680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10978615680 is an abundant number, since it is smaller than the sum of its proper divisors (24015727920).

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

10978615680 is an equidigital number, since it uses as much as digits as its factorization.

10978615680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5718051 (or 5718039 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 51.

The spelling of 10978615680 in words is "ten billion, nine hundred seventy-eight million, six hundred fifteen thousand, six hundred eighty".