10421500040255 has 32 divisors (see below), whose sum is σ = 12781736255808. Its totient is φ = 8154801561600.

The previous prime is 10421500040221. The next prime is 10421500040293. The reversal of 10421500040255 is 55204000512401.

It is not a de Polignac number, because 10421500040255 - 2⁶ = 10421500040191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154251392 + ... + 154318938.

It is an arithmetic number, because the mean of its divisors is an integer number (399429257994).

Almost surely, 2^{10421500040255} is an apocalyptic number.

10421500040255 is a deficient number, since it is larger than the sum of its proper divisors (2360236215553).

10421500040255 is a wasteful number, since it uses less digits than its factorization.

10421500040255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70427.

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 10421500040255 its reverse (55204000512401), we get a palindrome (65625500552656).

The spelling of 10421500040255 in words is "ten trillion, four hundred twenty-one billion, five hundred million, forty thousand, two hundred fifty-five".