10255521001 has 8 divisors (see below), whose sum is σ = 11189624544. Its totient is φ = 9321714720.

The previous prime is 10255520993. The next prime is 10255521047. The reversal of 10255521001 is 10012555201.

It is a happy number.

10255521001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10255521001 - 2³ = 10255520993 is a prime.

It is a super-2 number, since 2×10255521001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10255521061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1165 + ... + 143221.

It is an arithmetic number, because the mean of its divisors is an integer number (1398703068).

Almost surely, 2^10255521001 is an apocalyptic number.

10255521001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10255521001 is a deficient number, since it is larger than the sum of its proper divisors (934103543).

10255521001 is a wasteful number, since it uses less digits than its factorization.

10255521001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148631.

The product of its (nonzero) digits is 500, while the sum is 22.

The spelling of 10255521001 in words is "ten billion, two hundred fifty-five million, five hundred twenty-one thousand, one".