159117421534 has 16 divisors (see below), whose sum is σ = 239459342400. Its totient is φ = 79297704864.

The previous prime is 159117421511. The next prime is 159117421537. The reversal of 159117421534 is 435124711951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159117421537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9418507 + ... + 9435385.

It is an arithmetic number, because the mean of its divisors is an integer number (14966208900).

Almost surely, 2^159117421534 is an apocalyptic number.

159117421534 is a deficient number, since it is larger than the sum of its proper divisors (80341920866).

159117421534 is a wasteful number, since it uses less digits than its factorization.

159117421534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32067.

The product of its digits is 151200, while the sum is 43.

The spelling of 159117421534 in words is "one hundred fifty-nine billion, one hundred seventeen million, four hundred twenty-one thousand, five hundred thirty-four".