10402043115321 has 32 divisors (see below), whose sum is σ = 18104566112640. Its totient is φ = 5819324817600.

The previous prime is 10402043115313. The next prime is 10402043115349. The reversal of 10402043115321 is 12351134020401.

10402043115321 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 20 + 4 + 311 + 5 + 321 = 666.

It is not a de Polignac number, because 10402043115321 - 2³ = 10402043115313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (10402043115421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1347062070 + ... + 1347069791.

It is an arithmetic number, because the mean of its divisors is an integer number (565767691020).

Almost surely, 2^{10402043115321} is an apocalyptic number.

10402043115321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10402043115321 is a deficient number, since it is larger than the sum of its proper divisors (7702522997319).

10402043115321 is a wasteful number, since it uses less digits than its factorization.

10402043115321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694131894 (or 2694131888 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 10402043115321 its reverse (12351134020401), we get a palindrome (22753177135722).

The spelling of 10402043115321 in words is "ten trillion, four hundred two billion, forty-three million, one hundred fifteen thousand, three hundred twenty-one".