155121671006 has 16 divisors (see below), whose sum is σ = 246297283200. Its totient is φ = 73068187608.

The previous prime is 155121670999. The next prime is 155121671011. The reversal of 155121671006 is 600176121551.

It is a super-3 number, since 3×155121671006³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11395850 + ... + 11409453.

It is an arithmetic number, because the mean of its divisors is an integer number (15393580200).

Almost surely, 2^155121671006 is an apocalyptic number.

155121671006 is a deficient number, since it is larger than the sum of its proper divisors (91175612194).

155121671006 is a wasteful number, since it uses less digits than its factorization.

155121671006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22805503.

The product of its (nonzero) digits is 12600, while the sum is 35.

Adding to 155121671006 its reverse (600176121551), we get a palindrome (755297792557).

The spelling of 155121671006 in words is "one hundred fifty-five billion, one hundred twenty-one million, six hundred seventy-one thousand, six".