15242045250123 has 16 divisors (see below), whose sum is σ = 23061250498560. Its totient is φ = 9945164275848.

The previous prime is 15242045250097. The next prime is 15242045250127. The reversal of 15242045250123 is 32105254024251.

15242045250123 is a `hidden beast` number, since 1 + 5 + 2 + 4 + 2 + 0 + 4 + 525 + 0 + 123 = 666.

It is not a de Polignac number, because 15242045250123 - 2¹⁰ = 15242045249099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15242045250127) 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 15 ways as a sum of consecutive naturals, for example, 6005532715 + ... + 6005535252.

It is an arithmetic number, because the mean of its divisors is an integer number (1441328156160).

Almost surely, 2^{15242045250123} is an apocalyptic number.

15242045250123 is a deficient number, since it is larger than the sum of its proper divisors (7819205248437).

15242045250123 is a wasteful number, since it uses less digits than its factorization.

15242045250123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011068023 (or 12011068017 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 15242045250123 its reverse (32105254024251), we get a palindrome (47347299274374).

The spelling of 15242045250123 in words is "fifteen trillion, two hundred forty-two billion, forty-five million, two hundred fifty thousand, one hundred twenty-three".