10400321511 has 14 divisors (see below), whose sum is σ = 15593350080. Its totient is φ = 6933547188.

The previous prime is 10400321497. The next prime is 10400321513. The reversal of 10400321511 is 11512300401.

It is not a de Polignac number, because 10400321511 - 2¹¹ = 10400319463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10400321513) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 7132551 + ... + 7134008.

It is an arithmetic number, because the mean of its divisors is an integer number (1113810720).

Almost surely, 2^10400321511 is an apocalyptic number.

10400321511 is a deficient number, since it is larger than the sum of its proper divisors (5193028569).

10400321511 is an frugal number, since it uses more digits than its factorization.

10400321511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14266577 (or 14266562 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 10400321511 its reverse (11512300401), we get a palindrome (21912621912).

The spelling of 10400321511 in words is "ten billion, four hundred million, three hundred twenty-one thousand, five hundred eleven".