159455554951 has 48 divisors (see below), whose sum is σ = 216494536320. Its totient is φ = 115781400000.

The previous prime is 159455554931. The next prime is 159455554969.

159455554951 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 159455554951 - 2¹⁷ = 159455423879 is a prime.

It is a super-2 number, since 2×159455554951² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159455554901) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 497076 + ... + 752326.

It is an arithmetic number, because the mean of its divisors is an integer number (4510302840).

Almost surely, 2^159455554951 is an apocalyptic number.

159455554951 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

159455554951 is a deficient number, since it is larger than the sum of its proper divisors (57038981369).

159455554951 is a wasteful number, since it uses less digits than its factorization.

159455554951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255356 (or 255349 counting only the distinct ones).

The product of its digits is 20250000, while the sum is 58.

The spelling of 159455554951 in words is "one hundred fifty-nine billion, four hundred fifty-five million, five hundred fifty-four thousand, nine hundred fifty-one".