1078143388506 has 24 divisors (see below), whose sum is σ = 2336063270580. Its totient is φ = 359367909696.

The previous prime is 1078143388501. The next prime is 1078143388529. The reversal of 1078143388506 is 6058833418701.

It is a happy number.

1078143388506 is a `hidden beast` number, since 1 + 0 + 7 + 81 + 433 + 88 + 50 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1077113941281 + 1029447225 = 1037841^2 + 32085^2 .

It is not an unprimeable number, because it can be changed into a prime (1078143388501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 592365 + ... + 1583408.

Almost surely, 2^{1078143388506} is an apocalyptic number.

1078143388506 is an abundant number, since it is smaller than the sum of its proper divisors (1257919882074).

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

1078143388506 is a wasteful number, since it uses less digits than its factorization.

1078143388506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203310 (or 2203307 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 1078143388506 in words is "one trillion, seventy-eight billion, one hundred forty-three million, three hundred eighty-eight thousand, five hundred six".