1455205011312 has 80 divisors (see below), whose sum is σ = 4061473049088. Its totient is φ = 446315600640.

The previous prime is 1455205011289. The next prime is 1455205011317. The reversal of 1455205011312 is 2131105025541.

It is a super-2 number, since 2×1455205011312² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1455205011312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455205011317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555228 + ... + 3943355.

Almost surely, 2^{1455205011312} is an apocalyptic number.

1455205011312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1455205011312 is an abundant number, since it is smaller than the sum of its proper divisors (2606268037776).

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

1455205011312 is a wasteful number, since it uses less digits than its factorization.

1455205011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7498918 (or 7498912 counting only the distinct ones).

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

The spelling of 1455205011312 in words is "one trillion, four hundred fifty-five billion, two hundred five million, eleven thousand, three hundred twelve".