15242124680 has 32 divisors (see below), whose sum is σ = 34300891800. Its totient is φ = 6095763456.

The previous prime is 15242124661. The next prime is 15242124701. The reversal of 15242124680 is 8642124251.

It is a Cunningham number, because it is equal to 123459²-1.

It can be written as a sum of positive squares in 4 ways, for example, as 12003831844 + 3238292836 = 109562^2 + 56906^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15242124680.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216056 + ... + 277784.

Almost surely, 2^15242124680 is an apocalyptic number.

15242124680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15242124680 is an abundant number, since it is smaller than the sum of its proper divisors (19058767120).

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

15242124680 is a wasteful number, since it uses less digits than its factorization.

15242124680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67913 (or 67909 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 15242124680 in words is "fifteen billion, two hundred forty-two million, one hundred twenty-four thousand, six hundred eighty".