10021540525255 has 16 divisors (see below), whose sum is σ = 13749384677184. Its totient is φ = 6869134667520.

The previous prime is 10021540525247. The next prime is 10021540525277. The reversal of 10021540525255 is 55252504512001.

It is not a de Polignac number, because 10021540525255 - 2³ = 10021540525247 is a prime.

It is a super-2 number, since 2×10021540525255² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 57804616 + ... + 57977725.

It is an arithmetic number, because the mean of its divisors is an integer number (859336542324).

Almost surely, 2^{10021540525255} is an apocalyptic number.

10021540525255 is a deficient number, since it is larger than the sum of its proper divisors (3727844151929).

10021540525255 is a wasteful number, since it uses less digits than its factorization.

10021540525255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115784826.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 10021540525255 in words is "ten trillion, twenty-one billion, five hundred forty million, five hundred twenty-five thousand, two hundred fifty-five".