159420120015 has 16 divisors (see below), whose sum is σ = 274693130208. Its totient is φ = 78483751296.

The previous prime is 159420120001. The next prime is 159420120043. The reversal of 159420120015 is 510021024951.

It is not a de Polignac number, because 159420120015 - 2⁵ = 159420119983 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408769344 + ... + 408769733.

It is an arithmetic number, because the mean of its divisors is an integer number (17168320638).

Almost surely, 2^159420120015 is an apocalyptic number.

159420120015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159420120015 is a deficient number, since it is larger than the sum of its proper divisors (115273010193).

159420120015 is a wasteful number, since it uses less digits than its factorization.

159420120015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817539098.

The product of its (nonzero) digits is 3600, while the sum is 30.

Adding to 159420120015 its reverse (510021024951), we get a palindrome (669441144966).

The spelling of 159420120015 in words is "one hundred fifty-nine billion, four hundred twenty million, one hundred twenty thousand, fifteen".