1253345110203 has 32 divisors (see below), whose sum is σ = 1751420436480. Its totient is φ = 795742152480.

The previous prime is 1253345110169. The next prime is 1253345110207. The reversal of 1253345110203 is 3020115433521.

It is not a de Polignac number, because 1253345110203 - 2¹⁰ = 1253345109179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253345110207) 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 31 ways as a sum of consecutive naturals, for example, 15048288 + ... + 15131346.

It is an arithmetic number, because the mean of its divisors is an integer number (54731888640).

Almost surely, 2^{1253345110203} is an apocalyptic number.

1253345110203 is a deficient number, since it is larger than the sum of its proper divisors (498075326277).

1253345110203 is a wasteful number, since it uses less digits than its factorization.

1253345110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84039.

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 1253345110203 in words is "one trillion, two hundred fifty-three billion, three hundred forty-five million, one hundred ten thousand, two hundred three".