15015241545242 has 8 divisors (see below), whose sum is σ = 22526173063296. Its totient is φ = 7506517190812.

The previous prime is 15015241545211. The next prime is 15015241545251. The reversal of 15015241545242 is 24254514251051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×15015241545242² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15015241545242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551773898 + ... + 551801109.

It is an arithmetic number, because the mean of its divisors is an integer number (2815771632912).

Almost surely, 2^{15015241545242} is an apocalyptic number.

15015241545242 is a deficient number, since it is larger than the sum of its proper divisors (7510931518054).

15015241545242 is a wasteful number, since it uses less digits than its factorization.

15015241545242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103581812.

The product of its (nonzero) digits is 320000, while the sum is 41.

Adding to 15015241545242 its reverse (24254514251051), we get a palindrome (39269755796293).

The spelling of 15015241545242 in words is "fifteen trillion, fifteen billion, two hundred forty-one million, five hundred forty-five thousand, two hundred forty-two".