10421520146356 has 24 divisors (see below), whose sum is σ = 20232843432480. Its totient is φ = 4656765549600.

The previous prime is 10421520146341. The next prime is 10421520146371. The reversal of 10421520146356 is 65364102512401.

It is an interprime number because it is at equal distance from previous prime (10421520146341) and next prime (10421520146371).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2007223935 + ... + 2007229126.

It is an arithmetic number, because the mean of its divisors is an integer number (843035143020).

Almost surely, 2^{10421520146356} is an apocalyptic number.

It is an amenable number.

10421520146356 is a deficient number, since it is larger than the sum of its proper divisors (9811323286124).

10421520146356 is a wasteful number, since it uses less digits than its factorization.

10421520146356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4014453135 (or 4014453133 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

Adding to 10421520146356 its reverse (65364102512401), we get a palindrome (75785622658757).

The spelling of 10421520146356 in words is "ten trillion, four hundred twenty-one billion, five hundred twenty million, one hundred forty-six thousand, three hundred fifty-six".