159111002 has 4 divisors (see below), whose sum is σ = 238666506. Its totient is φ = 79555500.

The previous prime is 159110969. The next prime is 159111011. The reversal of 159111002 is 200111951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 200111951 = 13 ⋅15393227.

It can be written as a sum of positive squares in only one way, i.e., 151265401 + 7845601 = 12299^2 + 2801^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39777749 + ... + 39777752.

Almost surely, 2^159111002 is an apocalyptic number.

159111002 is a deficient number, since it is larger than the sum of its proper divisors (79555504).

159111002 is an equidigital number, since it uses as much as digits as its factorization.

159111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79555503.

The product of its (nonzero) digits is 90, while the sum is 20.

The square root of 159111002 is about 12613.9209605895. The cubic root of 159111002 is about 541.8761920883.

Adding to 159111002 its reverse (200111951), we get a palindrome (359222953).

The spelling of 159111002 in words is "one hundred fifty-nine million, one hundred eleven thousand, two".