155121102004014 has 24 divisors (see below), whose sum is σ = 336097449800112. Its totient is φ = 51706768033440.

The previous prime is 155121102003953. The next prime is 155121102004039. The reversal of 155121102004014 is 410400201121551.

155121102004014 is a `hidden beast` number, since 1 + 5 + 51 + 2 + 1 + 1 + 0 + 200 + 401 + 4 = 666.

It is a super-2 number, since 2×155121102004014² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18551479 + ... + 25581234.

It is an arithmetic number, because the mean of its divisors is an integer number (14004060408338).

Almost surely, 2^{155121102004014} is an apocalyptic number.

155121102004014 is an abundant number, since it is smaller than the sum of its proper divisors (180976347796098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155121102004014 is a wasteful number, since it uses less digits than its factorization.

155121102004014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44327992 (or 44327989 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 27.

Adding to 155121102004014 its reverse (410400201121551), we get a palindrome (565521303125565).

The spelling of 155121102004014 in words is "one hundred fifty-five trillion, one hundred twenty-one billion, one hundred two million, four thousand, fourteen".