159442951515 has 16 divisors (see below), whose sum is σ = 258916316928. Its totient is φ = 83767042656.

The previous prime is 159442951489. The next prime is 159442951561. The reversal of 159442951515 is 515159244951.

It is a happy number.

It is not a de Polignac number, because 159442951515 - 2¹⁹ = 159442427227 is a prime.

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, 79323847 + ... + 79325856.

It is an arithmetic number, because the mean of its divisors is an integer number (16182269808).

Almost surely, 2^159442951515 is an apocalyptic number.

159442951515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159442951515 is a deficient number, since it is larger than the sum of its proper divisors (99473365413).

159442951515 is a wasteful number, since it uses less digits than its factorization.

159442951515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158649778.

The product of its digits is 1620000, while the sum is 51.

The spelling of 159442951515 in words is "one hundred fifty-nine billion, four hundred forty-two million, nine hundred fifty-one thousand, five hundred fifteen".