10255215121 has 8 divisors (see below), whose sum is σ = 10587200000. Its totient is φ = 9923303520.

The previous prime is 10255215119. The next prime is 10255215143. The reversal of 10255215121 is 12151255201.

It is a happy number.

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 10255215121 - 2¹ = 10255215119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10255215101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493540 + ... + 513898.

It is an arithmetic number, because the mean of its divisors is an integer number (1323400000).

Almost surely, 2^10255215121 is an apocalyptic number.

It is an amenable number.

10255215121 is a deficient number, since it is larger than the sum of its proper divisors (331984879).

10255215121 is a wasteful number, since it uses less digits than its factorization.

10255215121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36639.

The product of its (nonzero) digits is 1000, while the sum is 25.

The spelling of 10255215121 in words is "ten billion, two hundred fifty-five million, two hundred fifteen thousand, one hundred twenty-one".