10981919954404 has 27 divisors (see below), whose sum is σ = 22356145782243. Its totient is φ = 4706517239928.

The previous prime is 10981919954359. The next prime is 10981919954413. The reversal of 10981919954404 is 40445991918901.

It is a happy number.

The square root of 10981919954404 is 3313898.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 46276219 + ... + 46512925.

Almost surely, 2^{10981919954404} is an apocalyptic number.

10981919954404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

10981919954404 is the 3313898-th square number.

It is an amenable number.

10981919954404 is an abundant number, since it is smaller than the sum of its proper divisors (11374225827839).

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

10981919954404 is an frugal number, since it uses more digits than its factorization.

10981919954404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473432 (or 236716 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 64.

Multiplying 10981919954404 by its sum of digits (64), we get a square (702842877081856 = 26511184²).

The spelling of 10981919954404 in words is "ten trillion, nine hundred eighty-one billion, nine hundred nineteen million, nine hundred fifty-four thousand, four hundred four".