155411422006 has 4 divisors (see below), whose sum is σ = 233117133012. Its totient is φ = 77705711002.

The previous prime is 155411422003. The next prime is 155411422007. The reversal of 155411422006 is 600224114551.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155411422003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38852855500 + ... + 38852855503.

It is an arithmetic number, because the mean of its divisors is an integer number (58279283253).

Almost surely, 2^155411422006 is an apocalyptic number.

155411422006 is a deficient number, since it is larger than the sum of its proper divisors (77705711006).

155411422006 is an equidigital number, since it uses as much as digits as its factorization.

155411422006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77705711005.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 155411422006 its reverse (600224114551), we get a palindrome (755635536557).

The spelling of 155411422006 in words is "one hundred fifty-five billion, four hundred eleven million, four hundred twenty-two thousand, six".