1010545255121 has 4 divisors (see below), whose sum is σ = 1010547333744. Its totient is φ = 1010543176500.

The previous prime is 1010545255099. The next prime is 1010545255207. The reversal of 1010545255121 is 1215525450101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1010545255121 - 2¹⁰ = 1010545254097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1010545455121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123866 + ... + 1427036.

It is an arithmetic number, because the mean of its divisors is an integer number (252636833436).

Almost surely, 2^{1010545255121} is an apocalyptic number.

It is an amenable number.

1010545255121 is a deficient number, since it is larger than the sum of its proper divisors (2078623).

1010545255121 is an equidigital number, since it uses as much as digits as its factorization.

1010545255121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078622.

The product of its (nonzero) digits is 10000, while the sum is 32.

The spelling of 1010545255121 in words is "one trillion, ten billion, five hundred forty-five million, two hundred fifty-five thousand, one hundred twenty-one".