10997283921 has 8 divisors (see below), whose sum is σ = 15790971840. Its totient is φ = 6767559312.

The previous prime is 10997283907. The next prime is 10997283929. The reversal of 10997283921 is 12938279901.

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

It is not a de Polignac number, because 10997283921 - 2⁵ = 10997283889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10997283929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140990781 + ... + 140990858.

It is an arithmetic number, because the mean of its divisors is an integer number (1973871480).

Almost surely, 2^10997283921 is an apocalyptic number.

It is an amenable number.

10997283921 is a deficient number, since it is larger than the sum of its proper divisors (4793687919).

10997283921 is a wasteful number, since it uses less digits than its factorization.

10997283921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281981655.

The product of its (nonzero) digits is 489888, while the sum is 51.

The spelling of 10997283921 in words is "ten billion, nine hundred ninety-seven million, two hundred eighty-three thousand, nine hundred twenty-one".