1253044164603 has 32 divisors (see below), whose sum is σ = 2084677839360. Its totient is φ = 650402242560.

The previous prime is 1253044164553. The next prime is 1253044164629. The reversal of 1253044164603 is 3064614403521.

It is not a de Polignac number, because 1253044164603 - 2²⁰ = 1253043116027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1253044164643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1922950 + ... + 2490747.

It is an arithmetic number, because the mean of its divisors is an integer number (65146182480).

Almost surely, 2^{1253044164603} is an apocalyptic number.

1253044164603 is a deficient number, since it is larger than the sum of its proper divisors (831633674757).

1253044164603 is a wasteful number, since it uses less digits than its factorization.

1253044164603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4414947.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 1253044164603 in words is "one trillion, two hundred fifty-three billion, forty-four million, one hundred sixty-four thousand, six hundred three".