15242722287 has 32 divisors (see below), whose sum is σ = 22045464000. Its totient is φ = 9367802496.

The previous prime is 15242722283. The next prime is 15242722303. The reversal of 15242722287 is 78222724251.

It is not a de Polignac number, because 15242722287 - 2² = 15242722283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15242722283) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9839589 + ... + 9841137.

It is an arithmetic number, because the mean of its divisors is an integer number (688920750).

Almost surely, 2^15242722287 is an apocalyptic number.

15242722287 is a deficient number, since it is larger than the sum of its proper divisors (6802741713).

15242722287 is a wasteful number, since it uses less digits than its factorization.

15242722287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3084 (or 3058 counting only the distinct ones).

The product of its digits is 250880, while the sum is 42.

The spelling of 15242722287 in words is "fifteen billion, two hundred forty-two million, seven hundred twenty-two thousand, two hundred eighty-seven".