10840721001 has 8 divisors (see below), whose sum is σ = 15768321504. Its totient is φ = 6570133920.

The previous prime is 10840720967. The next prime is 10840721009. The reversal of 10840721001 is 10012704801.

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

It is not a de Polignac number, because 10840721001 - 2⁶ = 10840720937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10840721009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164253316 + ... + 164253381.

It is an arithmetic number, because the mean of its divisors is an integer number (1971040188).

Almost surely, 2^10840721001 is an apocalyptic number.

10840721001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10840721001 is a deficient number, since it is larger than the sum of its proper divisors (4927600503).

10840721001 is a wasteful number, since it uses less digits than its factorization.

10840721001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328506711.

The product of its (nonzero) digits is 448, while the sum is 24.

The spelling of 10840721001 in words is "ten billion, eight hundred forty million, seven hundred twenty-one thousand, one".