15505413045142 has 8 divisors (see below), whose sum is σ = 23260641894432. Its totient is φ = 7751865747000.

The previous prime is 15505413045131. The next prime is 15505413045211. The reversal of 15505413045142 is 24154031450551.

15505413045142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-3 number, since 3×15505413045142³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15505413045095 and 15505413045104.

It is a congruent number.

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, 420364734 + ... + 420401617.

It is an arithmetic number, because the mean of its divisors is an integer number (2907580236804).

Almost surely, 2^{15505413045142} is an apocalyptic number.

15505413045142 is a deficient number, since it is larger than the sum of its proper divisors (7755228849290).

15505413045142 is an equidigital number, since it uses as much as digits as its factorization.

15505413045142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840775574.

The product of its (nonzero) digits is 240000, while the sum is 40.

Adding to 15505413045142 its reverse (24154031450551), we get a palindrome (39659444495693).

The spelling of 15505413045142 in words is "fifteen trillion, five hundred five billion, four hundred thirteen million, forty-five thousand, one hundred forty-two".