159261022755 has 12 divisors (see below), whose sum is σ = 276052439520. Its totient is φ = 84939212112.

The previous prime is 159261022717. The next prime is 159261022763. The reversal of 159261022755 is 557220162951.

159261022755 is a `hidden beast` number, since 1 + 5 + 9 + 2 + 610 + 2 + 27 + 5 + 5 = 666.

It is not a de Polignac number, because 159261022755 - 2¹² = 159261018659 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 3539133839 = 159261022755 / (1 + 5 + 9 + 2 + 6 + 1 + 0 + 2 + 2 + 7 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 159261022755.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1769566875 + ... + 1769566964.

It is an arithmetic number, because the mean of its divisors is an integer number (23004369960).

Almost surely, 2^159261022755 is an apocalyptic number.

159261022755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

159261022755 is a deficient number, since it is larger than the sum of its proper divisors (116791416765).

159261022755 is a wasteful number, since it uses less digits than its factorization.

159261022755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539133850 (or 3539133847 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 159261022755 in words is "one hundred fifty-nine billion, two hundred sixty-one million, twenty-two thousand, seven hundred fifty-five".