1578511114752 has 640 divisors, whose sum is σ = 5055804407808. Its totient is φ = 431353036800.

The previous prime is 1578511114751. The next prime is 1578511114903. The reversal of 1578511114752 is 2574111158751.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1578511114751) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1980565618 + ... + 1980566414.

Almost surely, 2^{1578511114752} is an apocalyptic number.

1578511114752 is a gapful number since it is divisible by the number (12) 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 1578511114752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2527902203904).

1578511114752 is an abundant number, since it is smaller than the sum of its proper divisors (3477293293056).

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

1578511114752 is a wasteful number, since it uses less digits than its factorization.

1578511114752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040 (or 1024 counting only the distinct ones).

The product of its digits is 392000, while the sum is 48.

The spelling of 1578511114752 in words is "one trillion, five hundred seventy-eight billion, five hundred eleven million, one hundred fourteen thousand, seven hundred fifty-two".