10421611051651 has 4 divisors (see below), whose sum is σ = 10421997737272. Its totient is φ = 10421224366032.

The previous prime is 10421611051529. The next prime is 10421611051693. The reversal of 10421611051651 is 15615011612401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10421611051651 - 2¹⁵ = 10421611018883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10421612051651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 193302381 + ... + 193356286.

It is an arithmetic number, because the mean of its divisors is an integer number (2605499434318).

Almost surely, 2^{10421611051651} is an apocalyptic number.

10421611051651 is a deficient number, since it is larger than the sum of its proper divisors (386685621).

10421611051651 is an equidigital number, since it uses as much as digits as its factorization.

10421611051651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386685620.

The product of its (nonzero) digits is 7200, while the sum is 34.

The spelling of 10421611051651 in words is "ten trillion, four hundred twenty-one billion, six hundred eleven million, fifty-one thousand, six hundred fifty-one".