1278530075160 has 384 divisors, whose sum is σ = 4759021874880. Its totient is φ = 294893420544.

The previous prime is 1278530075099. The next prime is 1278530075201. The reversal of 1278530075160 is 615700358721.

It is a happy number.

1278530075160 is a `hidden beast` number, since 1 + 2 + 7 + 8 + 530 + 0 + 7 + 51 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 18024724 + ... + 18095516.

Almost surely, 2^{1278530075160} is an apocalyptic number.

1278530075160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1278530075160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2379510937440).

1278530075160 is an abundant number, since it is smaller than the sum of its proper divisors (3480491799720).

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

1278530075160 is a wasteful number, since it uses less digits than its factorization.

1278530075160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71067 (or 71060 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 1278530075160 in words is "one trillion, two hundred seventy-eight billion, five hundred thirty million, seventy-five thousand, one hundred sixty".