10242255121555 has 8 divisors (see below), whose sum is σ = 12295728925632. Its totient is φ = 8190455577408.

The previous prime is 10242255121517. The next prime is 10242255121561. The reversal of 10242255121555 is 55512155224201.

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 10242255121555 - 2¹¹ = 10242255119507 is a prime.

It is a Duffinian 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, 418551522 + ... + 418575991.

It is an arithmetic number, because the mean of its divisors is an integer number (1536966115704).

Almost surely, 2^{10242255121555} is an apocalyptic number.

10242255121555 is a deficient number, since it is larger than the sum of its proper divisors (2053473804077).

10242255121555 is an equidigital number, since it uses as much as digits as its factorization.

10242255121555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837129965.

The product of its (nonzero) digits is 200000, while the sum is 40.

The spelling of 10242255121555 in words is "ten trillion, two hundred forty-two billion, two hundred fifty-five million, one hundred twenty-one thousand, five hundred fifty-five".