1253271294016 has 63 divisors (see below), whose sum is σ = 2893139268447. Its totient is φ = 537089400960.

The previous prime is 1253271293987. The next prime is 1253271294031. The reversal of 1253271294016 is 6104921723521.

The square root of 1253271294016 is 1119496.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 62681781 + ... + 62701771.

Almost surely, 2^{1253271294016} is an apocalyptic number.

1253271294016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1253271294016 is the 1119496-th square number.

It is an amenable number.

1253271294016 is an abundant number, since it is smaller than the sum of its proper divisors (1639867974431).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1253271294016 is an frugal number, since it uses more digits than its factorization.

1253271294016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40008 (or 20000 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 1253271294016 in words is "one trillion, two hundred fifty-three billion, two hundred seventy-one million, two hundred ninety-four thousand, sixteen".