1253045501121 has 8 divisors (see below), whose sum is σ = 1670768434240. Its totient is φ = 835343117712.

The previous prime is 1253045501111. The next prime is 1253045501137. The reversal of 1253045501121 is 1211055403521.

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

It is not a de Polignac number, because 1253045501121 - 2⁵ = 1253045501089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253045501111) 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, 4994581 + ... + 5239458.

It is an arithmetic number, because the mean of its divisors is an integer number (208846054280).

Almost surely, 2^{1253045501121} is an apocalyptic number.

It is an amenable number.

1253045501121 is a deficient number, since it is larger than the sum of its proper divisors (417722933119).

1253045501121 is a wasteful number, since it uses less digits than its factorization.

1253045501121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10274855.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 1253045501121 in words is "one trillion, two hundred fifty-three billion, forty-five million, five hundred one thousand, one hundred twenty-one".