1241011633655 has 8 divisors (see below), whose sum is σ = 1494002431584. Its totient is φ = 989616992800.

The previous prime is 1241011633651. The next prime is 1241011633721. The reversal of 1241011633655 is 5563361101421.

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

It is not a de Polignac number, because 1241011633655 - 2² = 1241011633651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241011633651) by changing a digit.

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, 399037556 + ... + 399040665.

It is an arithmetic number, because the mean of its divisors is an integer number (186750303948).

Almost surely, 2^{1241011633655} is an apocalyptic number.

1241011633655 is a deficient number, since it is larger than the sum of its proper divisors (252990797929).

1241011633655 is an equidigital number, since it uses as much as digits as its factorization.

1241011633655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798078537.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 1241011633655 in words is "one trillion, two hundred forty-one billion, eleven million, six hundred thirty-three thousand, six hundred fifty-five".