1275152045328 has 120 divisors (see below), whose sum is σ = 4092874938048. Its totient is φ = 363041692416.

The previous prime is 1275152045227. The next prime is 1275152045333. The reversal of 1275152045328 is 8235402515721.

1275152045328 is a `hidden beast` number, since 1 + 2 + 7 + 51 + 520 + 4 + 53 + 28 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1949775 + ... + 2520302.

Almost surely, 2^{1275152045328} is an apocalyptic number.

1275152045328 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1275152045328 is an abundant number, since it is smaller than the sum of its proper divisors (2817722892720).

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

1275152045328 is a wasteful number, since it uses less digits than its factorization.

1275152045328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470381 (or 4470372 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 45.

The spelling of 1275152045328 in words is "one trillion, two hundred seventy-five billion, one hundred fifty-two million, forty-five thousand, three hundred twenty-eight".