10881216501 has 8 divisors (see below), whose sum is σ = 14589341280. Its totient is φ = 7213618032.

The previous prime is 10881216497. The next prime is 10881216583. The reversal of 10881216501 is 10561218801.

10881216501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10881216501 - 2² = 10881216497 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10881214501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10130950 + ... + 10132023.

It is an arithmetic number, because the mean of its divisors is an integer number (1823667660).

Almost surely, 2^10881216501 is an apocalyptic number.

It is an amenable number.

10881216501 is a deficient number, since it is larger than the sum of its proper divisors (3708124779).

10881216501 is a wasteful number, since it uses less digits than its factorization.

10881216501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20263155.

The product of its (nonzero) digits is 3840, while the sum is 33.

The spelling of 10881216501 in words is "ten billion, eight hundred eighty-one million, two hundred sixteen thousand, five hundred one".