15142282428078 has 128 divisors (see below), whose sum is σ = 37023844515840. Its totient is φ = 4558198821120.

The previous prime is 15142282428043. The next prime is 15142282428103. The reversal of 15142282428078 is 87082428224151.

15142282428078 is a `hidden beast` number, since 1 + 5 + 14 + 2 + 282 + 4 + 280 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 83086851 + ... + 83268897.

It is an arithmetic number, because the mean of its divisors is an integer number (289248785280).

Almost surely, 2^{15142282428078} is an apocalyptic number.

15142282428078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15142282428078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18511922257920).

15142282428078 is an abundant number, since it is smaller than the sum of its proper divisors (21881562087762).

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

15142282428078 is a wasteful number, since it uses less digits than its factorization.

15142282428078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184639 (or 184633 counting only the distinct ones).

The product of its (nonzero) digits is 4587520, while the sum is 54.

The spelling of 15142282428078 in words is "fifteen trillion, one hundred forty-two billion, two hundred eighty-two million, four hundred twenty-eight thousand, seventy-eight".