159155551951 has 16 divisors (see below), whose sum is σ = 174200704128. Its totient is φ = 144206848800.

The previous prime is 159155551939. The next prime is 159155551987.

159155551951 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 159155551951 - 2²⁷ = 159021334223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159155552951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10233241 + ... + 10248781.

It is an arithmetic number, because the mean of its divisors is an integer number (10887544008).

Almost surely, 2^159155551951 is an apocalyptic number.

159155551951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159155551951 is a deficient number, since it is larger than the sum of its proper divisors (15045152177).

159155551951 is a wasteful number, since it uses less digits than its factorization.

159155551951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18582.

The product of its digits is 1265625, while the sum is 52.

The spelling of 159155551951 in words is "one hundred fifty-nine billion, one hundred fifty-five million, five hundred fifty-one thousand, nine hundred fifty-one".