155326171106 has 4 divisors (see below), whose sum is σ = 232989256662. Its totient is φ = 77663085552.

The previous prime is 155326171093. The next prime is 155326171127. The reversal of 155326171106 is 601171623551.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 135688352881 + 19637818225 = 368359^2 + 140135^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 155326171106.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38831542775 + ... + 38831542778.

Almost surely, 2^155326171106 is an apocalyptic number.

155326171106 is a deficient number, since it is larger than the sum of its proper divisors (77663085556).

155326171106 is an equidigital number, since it uses as much as digits as its factorization.

155326171106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77663085555.

The product of its (nonzero) digits is 37800, while the sum is 38.

Adding to 155326171106 its reverse (601171623551), we get a palindrome (756497794657).

The spelling of 155326171106 in words is "one hundred fifty-five billion, three hundred twenty-six million, one hundred seventy-one thousand, one hundred six".