15768942552 has 192 divisors, whose sum is σ = 50382259200. Its totient is φ = 4401515520.

The previous prime is 15768942547. The next prime is 15768942557. The reversal of 15768942552 is 25524986751.

15768942552 is a `hidden beast` number, since 1 + 5 + 7 + 6 + 89 + 4 + 2 + 552 = 666.

It is an interprime number because it is at equal distance from previous prime (15768942547) and next prime (15768942557).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15768942557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 620349 + ... + 645267.

It is an arithmetic number, because the mean of its divisors is an integer number (262407600).

Almost surely, 2^15768942552 is an apocalyptic number.

15768942552 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 15768942552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25191129600).

15768942552 is an abundant number, since it is smaller than the sum of its proper divisors (34613316648).

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

15768942552 is a wasteful number, since it uses less digits than its factorization.

15768942552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25006 (or 24999 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 54.

The spelling of 15768942552 in words is "fifteen billion, seven hundred sixty-eight million, nine hundred forty-two thousand, five hundred fifty-two".