15217060107442 has 4 divisors (see below), whose sum is σ = 22825590161166. Its totient is φ = 7608530053720.

The previous prime is 15217060107427. The next prime is 15217060107493. The reversal of 15217060107442 is 24470106071251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15196657127521 + 20402979921 = 3898289^2 + 142839^2 .

It is a super-4 number, since 4×15217060107442⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15217060107395 and 15217060107404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3804265026859 + ... + 3804265026862.

Almost surely, 2^{15217060107442} is an apocalyptic number.

15217060107442 is a deficient number, since it is larger than the sum of its proper divisors (7608530053724).

15217060107442 is an equidigital number, since it uses as much as digits as its factorization.

15217060107442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7608530053723.

The product of its (nonzero) digits is 94080, while the sum is 40.

Adding to 15217060107442 its reverse (24470106071251), we get a palindrome (39687166178693).

The spelling of 15217060107442 in words is "fifteen trillion, two hundred seventeen billion, sixty million, one hundred seven thousand, four hundred forty-two".